Merge remote-tracking branch 'upstream/master'

8 files changed, 0 insertions, 1086 deletions

diff --git a/creg/test_data/auto-mpg.testfeat b/creg/test_data/auto-mpg.testfeat
deleted file mode 100644
index 91c21e99..00000000
--- a/creg/test_data/auto-mpg.testfeat
+++ /dev/null
@@ -1,93 +0,0 @@
-test1_fiat_124b	{"horsepower": 76.0, "acceleration": 14.5, "cylinders": 4.0, "displacement": 88.0, "weight": 2065.0}
-test2_dodge_aspen	{"horsepower": 110.0, "acceleration": 18.7, "cylinders": 6.0, "displacement": 225.0, "weight": 3620.0}
-test3_toyota_celica_gt_liftback	{"horsepower": 95.0, "acceleration": 14.8, "cylinders": 4.0, "displacement": 134.0, "weight": 2515.0}
-test4_amc_matador	{"horsepower": 110.0, "acceleration": 18.0, "cylinders": 6.0, "displacement": 258.0, "weight": 3632.0}
-test5_audi_5000s_(diesel)	{"horsepower": 67.0, "acceleration": 19.9, "cylinders": 5.0, "displacement": 121.0, "weight": 2950.0}
-test6_datsun_310	{"horsepower": 65.0, "acceleration": 16.4, "cylinders": 4.0, "displacement": 86.0, "weight": 2019.0}
-test7_chevrolet_woody	{"horsepower": 60.0, "acceleration": 22.1, "cylinders": 4.0, "displacement": 98.0, "weight": 2164.0}
-test8_volkswagen_1131_deluxe_sedan	{"horsepower": 46.0, "acceleration": 20.5, "cylinders": 4.0, "displacement": 97.0, "weight": 1835.0}
-test9_plymouth_satellite_sebring	{"horsepower": 105.0, "acceleration": 16.5, "cylinders": 6.0, "displacement": 225.0, "weight": 3613.0}
-test10_amc_matador	{"horsepower": 120.0, "acceleration": 13.9, "cylinders": 8.0, "displacement": 304.0, "weight": 3962.0}
-test11_chevrolet_chevette	{"horsepower": 52.0, "acceleration": 22.2, "cylinders": 4.0, "displacement": 85.0, "weight": 2035.0}
-test12_buick_century_special	{"horsepower": 105.0, "acceleration": 15.8, "cylinders": 6.0, "displacement": 231.0, "weight": 3380.0}
-test13_ford_escort_2h	{"horsepower": 65.0, "acceleration": 20.7, "cylinders": 4.0, "displacement": 98.0, "weight": 2380.0}
-test14_ford_torino_500	{"horsepower": 88.0, "acceleration": 15.5, "cylinders": 6.0, "displacement": 250.0, "weight": 3302.0}
-test15_dodge_aries_wagon_(sw)	{"horsepower": 92.0, "acceleration": 14.4, "cylinders": 4.0, "displacement": 156.0, "weight": 2620.0}
-test16_plymouth_valiant	{"horsepower": 105.0, "acceleration": 16.5, "cylinders": 6.0, "displacement": 225.0, "weight": 3121.0}
-test17_amc_pacer	{"horsepower": 90.0, "acceleration": 17.0, "cylinders": 6.0, "displacement": 232.0, "weight": 3211.0}
-test18_honda_civic	{"horsepower": 97.0, "acceleration": 15.0, "cylinders": 4.0, "displacement": 120.0, "weight": 2489.0}
-test19_ford_ltd	{"horsepower": 148.0, "acceleration": 13.5, "cylinders": 8.0, "displacement": 351.0, "weight": 4657.0}
-test20_volkswagen_rabbit	{"horsepower": 70.0, "acceleration": 14.0, "cylinders": 4.0, "displacement": 90.0, "weight": 1937.0}
-test21_honda_civic_1500_gl	{"horsepower": 67.0, "acceleration": 13.8, "cylinders": 4.0, "displacement": 91.0, "weight": 1850.0}
-test22_chevrolet_impala	{"horsepower": 165.0, "acceleration": 12.0, "cylinders": 8.0, "displacement": 350.0, "weight": 4209.0}
-test23_chevrolet_chevette	{"horsepower": 63.0, "acceleration": 17.0, "cylinders": 4.0, "displacement": 98.0, "weight": 2051.0}
-test24_amc_concord	{"horsepower": 90.0, "acceleration": 17.2, "cylinders": 6.0, "displacement": 232.0, "weight": 3210.0}
-test25_ford_pinto	{"horsepower": 83.0, "acceleration": 17.0, "cylinders": 4.0, "displacement": 140.0, "weight": 2639.0}
-test26_ford_country_squire_(sw)	{"horsepower": 142.0, "acceleration": 14.3, "cylinders": 8.0, "displacement": 351.0, "weight": 4054.0}
-test27_plymouth_valiant_custom	{"horsepower": 95.0, "acceleration": 16.0, "cylinders": 6.0, "displacement": 225.0, "weight": 3264.0}
-test28_chevy_s-10	{"horsepower": 82.0, "acceleration": 19.4, "cylinders": 4.0, "displacement": 119.0, "weight": 2720.0}
-test29_maxda_rx3	{"horsepower": 90.0, "acceleration": 13.5, "cylinders": 3.0, "displacement": 70.0, "weight": 2124.0}
-test30_plymouth_sapporo	{"horsepower": 105.0, "acceleration": 16.7, "cylinders": 4.0, "displacement": 156.0, "weight": 2745.0}
-test31_amc_hornet	{"horsepower": 90.0, "acceleration": 17.6, "cylinders": 6.0, "displacement": 232.0, "weight": 3085.0}
-test32_chevrolet_caprice_classic	{"horsepower": 145.0, "acceleration": 12.5, "cylinders": 8.0, "displacement": 305.0, "weight": 3880.0}
-test33_pontiac_sunbird_coupe	{"horsepower": 88.0, "acceleration": 16.0, "cylinders": 4.0, "displacement": 151.0, "weight": 2740.0}
-test34_mercury_marquis_brougham	{"horsepower": 198.0, "acceleration": 11.5, "cylinders": 8.0, "displacement": 429.0, "weight": 4952.0}
-test35_mercury_monarch_ghia	{"horsepower": 139.0, "acceleration": 12.8, "cylinders": 8.0, "displacement": 302.0, "weight": 3570.0}
-test36_ford_country_squire_(sw)	{"horsepower": 170.0, "acceleration": 12.0, "cylinders": 8.0, "displacement": 400.0, "weight": 4746.0}
-test37_audi_fox	{"horsepower": 83.0, "acceleration": 16.5, "cylinders": 4.0, "displacement": 98.0, "weight": 2219.0}
-test38_triumph_tr7_coupe	{"horsepower": 88.0, "acceleration": 15.1, "cylinders": 4.0, "displacement": 122.0, "weight": 2500.0}
-test39_dodge_d100	{"horsepower": 150.0, "acceleration": 14.0, "cylinders": 8.0, "displacement": 318.0, "weight": 3755.0}
-test40_mercury_cougar_brougham	{"horsepower": 130.0, "acceleration": 14.9, "cylinders": 8.0, "displacement": 302.0, "weight": 4295.0}
-test41_pontiac_phoenix_lj	{"horsepower": 105.0, "acceleration": 19.2, "cylinders": 6.0, "displacement": 231.0, "weight": 3535.0}
-test42_vw_rabbit_custom	{"horsepower": 71.0, "acceleration": 14.0, "cylinders": 4.0, "displacement": 89.0, "weight": 1925.0}
-test43_peugeot_504	{"horsepower": 87.0, "acceleration": 17.5, "cylinders": 4.0, "displacement": 110.0, "weight": 2672.0}
-test44_datsun_310_gx	{"horsepower": 67.0, "acceleration": 16.2, "cylinders": 4.0, "displacement": 91.0, "weight": 1995.0}
-test45_dodge_monaco_(sw)	{"horsepower": 180.0, "acceleration": 11.5, "cylinders": 8.0, "displacement": 383.0, "weight": 4955.0}
-test46_chevrolet_monza_2+2	{"horsepower": 110.0, "acceleration": 13.5, "cylinders": 8.0, "displacement": 262.0, "weight": 3221.0}
-test47_capri_ii	{"horsepower": 92.0, "acceleration": 14.9, "cylinders": 4.0, "displacement": 140.0, "weight": 2572.0}
-test48_mazda_rx2_coupe	{"horsepower": 97.0, "acceleration": 13.5, "cylinders": 3.0, "displacement": 70.0, "weight": 2330.0}
-test49_plymouth_fury	{"horsepower": 95.0, "acceleration": 19.0, "cylinders": 6.0, "displacement": 225.0, "weight": 3785.0}
-test50_plymouth_fury_iii	{"horsepower": 215.0, "acceleration": 8.5, "cylinders": 8.0, "displacement": 440.0, "weight": 4312.0}
-test51_dodge_st._regis	{"horsepower": 135.0, "acceleration": 15.2, "cylinders": 8.0, "displacement": 318.0, "weight": 3830.0}
-test52_amc_spirit_dl	{"horsepower": 80.0, "acceleration": 15.0, "cylinders": 4.0, "displacement": 121.0, "weight": 2670.0}
-test53_peugeot_504_(sw)	{"horsepower": 87.0, "acceleration": 19.5, "cylinders": 4.0, "displacement": 120.0, "weight": 2979.0}
-test54_chevroelt_chevelle_malibu	{"horsepower": 105.0, "acceleration": 18.5, "cylinders": 6.0, "displacement": 250.0, "weight": 3897.0}
-test55_opel_1900	{"horsepower": 90.0, "acceleration": 14.0, "cylinders": 4.0, "displacement": 116.0, "weight": 2123.0}
-test56_dodge_challenger_se	{"horsepower": 170.0, "acceleration": 10.0, "cylinders": 8.0, "displacement": 383.0, "weight": 3563.0}
-test57_vw_pickup	{"horsepower": 52.0, "acceleration": 24.6, "cylinders": 4.0, "displacement": 97.0, "weight": 2130.0}
-test58_peugeot_604sl	{"horsepower": 133.0, "acceleration": 15.8, "cylinders": 6.0, "displacement": 163.0, "weight": 3410.0}
-test59_mazda_glc_4	{"horsepower": 68.0, "acceleration": 16.0, "cylinders": 4.0, "displacement": 91.0, "weight": 1985.0}
-test60_audi_4000	{"horsepower": 78.0, "acceleration": 15.8, "cylinders": 4.0, "displacement": 97.0, "weight": 2188.0}
-test61_plymouth_duster	{"horsepower": 95.0, "acceleration": 16.5, "cylinders": 6.0, "displacement": 198.0, "weight": 3102.0}
-test62_dodge_magnum_xe	{"horsepower": 140.0, "acceleration": 13.7, "cylinders": 8.0, "displacement": 318.0, "weight": 4080.0}
-test63_buick_century_limited	{"horsepower": 110.0, "acceleration": 16.4, "cylinders": 6.0, "displacement": 181.0, "weight": 2945.0}
-test64_chevrolet_monte_carlo_s	{"horsepower": 145.0, "acceleration": 13.0, "cylinders": 8.0, "displacement": 350.0, "weight": 4082.0}
-test65_amc_matador	{"horsepower": 150.0, "acceleration": 11.5, "cylinders": 8.0, "displacement": 304.0, "weight": 3672.0}
-test66_honda_accord	{"horsepower": 75.0, "acceleration": 14.5, "cylinders": 4.0, "displacement": 107.0, "weight": 2205.0}
-test67_plymouth_volare	{"horsepower": 100.0, "acceleration": 17.2, "cylinders": 6.0, "displacement": 225.0, "weight": 3430.0}
-test68_ford_galaxie_500	{"horsepower": 198.0, "acceleration": 10.0, "cylinders": 8.0, "displacement": 429.0, "weight": 4341.0}
-test69_chevrolet_citation	{"horsepower": 110.0, "acceleration": 12.6, "cylinders": 6.0, "displacement": 173.0, "weight": 2725.0}
-test70_amc_ambassador_sst	{"horsepower": 150.0, "acceleration": 11.5, "cylinders": 8.0, "displacement": 304.0, "weight": 3672.0}
-test71_ford_thunderbird	{"horsepower": 149.0, "acceleration": 14.5, "cylinders": 8.0, "displacement": 351.0, "weight": 4335.0}
-test72_pontiac_phoenix	{"horsepower": 90.0, "acceleration": 13.2, "cylinders": 4.0, "displacement": 151.0, "weight": 2556.0}
-test73_vw_rabbit	{"horsepower": 76.0, "acceleration": 14.7, "cylinders": 4.0, "displacement": 98.0, "weight": 2144.0}
-test74_bmw_2002	{"horsepower": 113.0, "acceleration": 12.5, "cylinders": 4.0, "displacement": 121.0, "weight": 2234.0}
-test75_dodge_colt	{"horsepower": 105.0, "acceleration": 14.4, "cylinders": 4.0, "displacement": 156.0, "weight": 2800.0}
-test76_mercury_capri_2000	{"horsepower": 86.0, "acceleration": 14.0, "cylinders": 4.0, "displacement": 122.0, "weight": 2220.0}
-test77_ford_galaxie_500	{"horsepower": 153.0, "acceleration": 13.5, "cylinders": 8.0, "displacement": 351.0, "weight": 4154.0}
-test78_volkswagen_rabbit_custom_diesel	{"horsepower": 48.0, "acceleration": 21.5, "cylinders": 4.0, "displacement": 90.0, "weight": 1985.0}
-test79_dodge_aspen_se	{"horsepower": 100.0, "acceleration": 17.7, "cylinders": 6.0, "displacement": 225.0, "weight": 3651.0}
-test80_mazda_glc_deluxe	{"horsepower": 52.0, "acceleration": 19.4, "cylinders": 4.0, "displacement": 78.0, "weight": 1985.0}
-test81_mazda_glc_custom	{"horsepower": 68.0, "acceleration": 17.6, "cylinders": 4.0, "displacement": 91.0, "weight": 1970.0}
-test82_audi_100ls	{"horsepower": 91.0, "acceleration": 14.0, "cylinders": 4.0, "displacement": 114.0, "weight": 2582.0}
-test83_oldsmobile_delta_88_royale	{"horsepower": 160.0, "acceleration": 13.5, "cylinders": 8.0, "displacement": 350.0, "weight": 4456.0}
-test84_ford_gran_torino	{"horsepower": 137.0, "acceleration": 14.5, "cylinders": 8.0, "displacement": 302.0, "weight": 4042.0}
-test85_plymouth_cricket	{"horsepower": 70.0, "acceleration": 20.5, "cylinders": 4.0, "displacement": 91.0, "weight": 1955.0}
-test86_plymouth_fury_iii	{"horsepower": 150.0, "acceleration": 13.0, "cylinders": 8.0, "displacement": 318.0, "weight": 4096.0}
-test87_plymouth_horizon	{"horsepower": 70.0, "acceleration": 13.2, "cylinders": 4.0, "displacement": 105.0, "weight": 2200.0}
-test88_peugeot_504	{"horsepower": 88.0, "acceleration": 21.9, "cylinders": 4.0, "displacement": 120.0, "weight": 3270.0}
-test89_dodge_dart_custom	{"horsepower": 150.0, "acceleration": 11.0, "cylinders": 8.0, "displacement": 318.0, "weight": 3399.0}
-test90_pontiac_j2000_se_hatchback	{"horsepower": 85.0, "acceleration": 16.2, "cylinders": 4.0, "displacement": 112.0, "weight": 2575.0}
-test91_toyota_starlet	{"horsepower": 58.0, "acceleration": 16.9, "cylinders": 4.0, "displacement": 79.0, "weight": 1755.0}
-test92_mazda_glc_custom_l	{"horsepower": 68.0, "acceleration": 18.2, "cylinders": 4.0, "displacement": 91.0, "weight": 2025.0}
-test93_fiat_124_tc	{"horsepower": 75.0, "acceleration": 14.0, "cylinders": 4.0, "displacement": 116.0, "weight": 2246.0}
diff --git a/creg/test_data/auto-mpg.testresp b/creg/test_data/auto-mpg.testresp
deleted file mode 100644
index 4f2cad37..00000000
--- a/creg/test_data/auto-mpg.testresp
+++ /dev/null
@@ -1,93 +0,0 @@
-test1_fiat_124b	30.0
-test2_dodge_aspen	18.6
-test3_toyota_celica_gt_liftback	21.1
-test4_amc_matador	16.0
-test5_audi_5000s_(diesel)	36.4
-test6_datsun_310	37.2
-test7_chevrolet_woody	24.5
-test8_volkswagen_1131_deluxe_sedan	26.0
-test9_plymouth_satellite_sebring	18.0
-test10_amc_matador	15.5
-test11_chevrolet_chevette	29.0
-test12_buick_century_special	20.6
-test13_ford_escort_2h	29.9
-test14_ford_torino_500	19.0
-test15_dodge_aries_wagon_(sw)	25.8
-test16_plymouth_valiant	18.0
-test17_amc_pacer	19.0
-test18_honda_civic	24.0
-test19_ford_ltd	14.0
-test20_volkswagen_rabbit	29.0
-test21_honda_civic_1500_gl	44.6
-test22_chevrolet_impala	14.0
-test23_chevrolet_chevette	30.5
-test24_amc_concord	19.4
-test25_ford_pinto	23.0
-test26_ford_country_squire_(sw)	15.5
-test27_plymouth_valiant_custom	19.0
-test28_chevy_s-10	31.0
-test29_maxda_rx3	18.0
-test30_plymouth_sapporo	23.2
-test31_amc_hornet	22.5
-test32_chevrolet_caprice_classic	17.5
-test33_pontiac_sunbird_coupe	24.5
-test34_mercury_marquis_brougham	12.0
-test35_mercury_monarch_ghia	20.2
-test36_ford_country_squire_(sw)	13.0
-test37_audi_fox	29.0
-test38_triumph_tr7_coupe	35.0
-test39_dodge_d100	13.0
-test40_mercury_cougar_brougham	15.0
-test41_pontiac_phoenix_lj	19.2
-test42_vw_rabbit_custom	31.9
-test43_peugeot_504	25.0
-test44_datsun_310_gx	38.0
-test45_dodge_monaco_(sw)	12.0
-test46_chevrolet_monza_2+2	20.0
-test47_capri_ii	25.0
-test48_mazda_rx2_coupe	19.0
-test49_plymouth_fury	18.0
-test50_plymouth_fury_iii	14.0
-test51_dodge_st._regis	18.2
-test52_amc_spirit_dl	27.4
-test53_peugeot_504_(sw)	21.0
-test54_chevroelt_chevelle_malibu	16.0
-test55_opel_1900	28.0
-test56_dodge_challenger_se	15.0
-test57_vw_pickup	44.0
-test58_peugeot_604sl	16.2
-test59_mazda_glc_4	34.1
-test60_audi_4000	34.3
-test61_plymouth_duster	20.0
-test62_dodge_magnum_xe	17.5
-test63_buick_century_limited	25.0
-test64_chevrolet_monte_carlo_s	15.0
-test65_amc_matador	14.0
-test66_honda_accord	36.0
-test67_plymouth_volare	20.5
-test68_ford_galaxie_500	15.0
-test69_chevrolet_citation	23.5
-test70_amc_ambassador_sst	17.0
-test71_ford_thunderbird	16.0
-test72_pontiac_phoenix	33.5
-test73_vw_rabbit	41.5
-test74_bmw_2002	26.0
-test75_dodge_colt	27.9
-test76_mercury_capri_2000	23.0
-test77_ford_galaxie_500	14.0
-test78_volkswagen_rabbit_custom_diesel	43.1
-test79_dodge_aspen_se	20.0
-test80_mazda_glc_deluxe	32.8
-test81_mazda_glc_custom	31.0
-test82_audi_100ls	20.0
-test83_oldsmobile_delta_88_royale	12.0
-test84_ford_gran_torino	14.0
-test85_plymouth_cricket	26.0
-test86_plymouth_fury_iii	14.0
-test87_plymouth_horizon	34.2
-test88_peugeot_504	19.0
-test89_dodge_dart_custom	15.0
-test90_pontiac_j2000_se_hatchback	31.0
-test91_toyota_starlet	39.1
-test92_mazda_glc_custom_l	37.0
-test93_fiat_124_tc	26.0
diff --git a/creg/test_data/auto-mpg.trainfeat b/creg/test_data/auto-mpg.trainfeat
deleted file mode 100644
index 20b87d3f..00000000
--- a/creg/test_data/auto-mpg.trainfeat
+++ /dev/null
@@ -1,300 +0,0 @@
-train1_buick_century_350	{"horsepower": 175.0, "acceleration": 13.0, "cylinders": 8.0, "displacement": 350.0, "weight": 4100.0}
-train2_audi_100_ls	{"horsepower": 90.0, "acceleration": 14.5, "cylinders": 4.0, "displacement": 107.0, "weight": 2430.0}
-train3_chrysler_newport_royal	{"horsepower": 190.0, "acceleration": 12.5, "cylinders": 8.0, "displacement": 400.0, "weight": 4422.0}
-train4_mercury_zephyr_6	{"horsepower": 85.0, "acceleration": 18.2, "cylinders": 6.0, "displacement": 200.0, "weight": 2990.0}
-train5_volkswagen_model_111	{"horsepower": 60.0, "acceleration": 19.0, "cylinders": 4.0, "displacement": 97.0, "weight": 1834.0}
-train6_dodge_monaco_brougham	{"horsepower": 145.0, "acceleration": 13.7, "cylinders": 8.0, "displacement": 318.0, "weight": 4140.0}
-train7_mercedes-benz_240d	{"horsepower": 67.0, "acceleration": 21.8, "cylinders": 4.0, "displacement": 146.0, "weight": 3250.0}
-train8_datsun_510_(sw)	{"horsepower": 92.0, "acceleration": 17.0, "cylinders": 4.0, "displacement": 97.0, "weight": 2288.0}
-train9_opel_manta	{"horsepower": 75.0, "acceleration": 15.5, "cylinders": 4.0, "displacement": 116.0, "weight": 2158.0}
-train10_renault_12_(sw)	{"horsepower": 69.0, "acceleration": 18.0, "cylinders": 4.0, "displacement": 96.0, "weight": 2189.0}
-train11_chevrolet_nova	{"horsepower": 100.0, "acceleration": 17.0, "cylinders": 6.0, "displacement": 250.0, "weight": 3336.0}
-train12_plymouth_arrow_gs	{"horsepower": 96.0, "acceleration": 15.5, "cylinders": 4.0, "displacement": 122.0, "weight": 2300.0}
-train13_toyota_mark_ii	{"horsepower": 108.0, "acceleration": 15.5, "cylinders": 6.0, "displacement": 156.0, "weight": 2930.0}
-train14_chevrolet_caprice_classic	{"horsepower": 150.0, "acceleration": 12.0, "cylinders": 8.0, "displacement": 400.0, "weight": 4464.0}
-train15_ford_maverick	{"horsepower": 88.0, "acceleration": 16.5, "cylinders": 6.0, "displacement": 250.0, "weight": 3021.0}
-train16_pontiac_lemans_v6	{"horsepower": 115.0, "acceleration": 15.4, "cylinders": 6.0, "displacement": 231.0, "weight": 3245.0}
-train17_ford_granada_gl	{"horsepower": 88.0, "acceleration": 17.1, "cylinders": 6.0, "displacement": 200.0, "weight": 3060.0}
-train18_chevrolet_monte_carlo_landau	{"horsepower": 170.0, "acceleration": 11.4, "cylinders": 8.0, "displacement": 350.0, "weight": 4165.0}
-train19_subaru	{"horsepower": 93.0, "acceleration": 15.5, "cylinders": 4.0, "displacement": 108.0, "weight": 2391.0}
-train20_volkswagen_411_(sw)	{"horsepower": 76.0, "acceleration": 18.0, "cylinders": 4.0, "displacement": 121.0, "weight": 2511.0}
-train21_chrysler_lebaron_salon	{"horsepower": 85.0, "acceleration": 16.6, "cylinders": 6.0, "displacement": 225.0, "weight": 3465.0}
-train22_volkswagen_jetta	{"horsepower": 74.0, "acceleration": 14.2, "cylinders": 4.0, "displacement": 105.0, "weight": 2190.0}
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-train171_ford_gran_torino_(sw)	{"horsepower": 140.0, "acceleration": 16.0, "cylinders": 8.0, "displacement": 302.0, "weight": 4638.0}
-train172_datsun_510_hatchback	{"horsepower": 92.0, "acceleration": 15.0, "cylinders": 4.0, "displacement": 119.0, "weight": 2434.0}
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-train174_datsun_b-210	{"horsepower": 70.0, "acceleration": 17.0, "cylinders": 4.0, "displacement": 85.0, "weight": 1990.0}
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-train176_plymouth_horizon_tc3	{"horsepower": 70.0, "acceleration": 14.9, "cylinders": 4.0, "displacement": 105.0, "weight": 2150.0}
-train177_ford_pinto	{"horsepower": 85.0, "acceleration": 18.5, "cylinders": 4.0, "displacement": 122.0, "weight": 2310.0}
-train178_chrysler_new_yorker_brougham	{"horsepower": 215.0, "acceleration": 11.0, "cylinders": 8.0, "displacement": 440.0, "weight": 4735.0}
-train179_chrysler_cordoba	{"horsepower": 190.0, "acceleration": 12.2, "cylinders": 8.0, "displacement": 400.0, "weight": 4325.0}
-train180_oldsmobile_cutlass_salon_brougham	{"horsepower": 110.0, "acceleration": 15.5, "cylinders": 8.0, "displacement": 260.0, "weight": 3365.0}
-train181_plymouth_satellite_custom	{"horsepower": 105.0, "acceleration": 15.5, "cylinders": 6.0, "displacement": 225.0, "weight": 3439.0}
-train182_maxda_glc_deluxe	{"horsepower": 65.0, "acceleration": 15.2, "cylinders": 4.0, "displacement": 86.0, "weight": 1975.0}
-train183_datsun_1200	{"horsepower": 69.0, "acceleration": 18.0, "cylinders": 4.0, "displacement": 72.0, "weight": 1613.0}
-train184_ford_pinto	{"horsepower": 72.0, "acceleration": 13.6, "cylinders": 4.0, "displacement": 140.0, "weight": 2565.0}
-train185_volkswagen_rabbit_l	{"horsepower": 74.0, "acceleration": 15.3, "cylinders": 4.0, "displacement": 105.0, "weight": 1980.0}
-train186_audi_100ls	{"horsepower": 95.0, "acceleration": 15.0, "cylinders": 4.0, "displacement": 115.0, "weight": 2694.0}
-train187_chevrolet_citation	{"horsepower": 115.0, "acceleration": 11.3, "cylinders": 6.0, "displacement": 173.0, "weight": 2595.0}
-train188_buick_electra_225_custom	{"horsepower": 225.0, "acceleration": 11.0, "cylinders": 8.0, "displacement": 455.0, "weight": 4951.0}
-train189_datsun_200sx	{"horsepower": 100.0, "acceleration": 14.8, "cylinders": 4.0, "displacement": 119.0, "weight": 2615.0}
-train190_dodge_colt_hatchback_custom	{"horsepower": 80.0, "acceleration": 14.4, "cylinders": 4.0, "displacement": 98.0, "weight": 1915.0}
-train191_honda_accord_lx	{"horsepower": 68.0, "acceleration": 16.6, "cylinders": 4.0, "displacement": 98.0, "weight": 2135.0}
-train192_plymouth_custom_suburb	{"horsepower": 170.0, "acceleration": 13.0, "cylinders": 8.0, "displacement": 360.0, "weight": 4654.0}
-train193_toyota_mark_ii	{"horsepower": 122.0, "acceleration": 13.5, "cylinders": 6.0, "displacement": 156.0, "weight": 2807.0}
-train194_oldsmobile_omega_brougham	{"horsepower": 115.0, "acceleration": 12.9, "cylinders": 6.0, "displacement": 173.0, "weight": 2700.0}
-train195_ford_ltd_landau	{"horsepower": 129.0, "acceleration": 13.4, "cylinders": 8.0, "displacement": 302.0, "weight": 3725.0}
-train196_chevy_c10	{"horsepower": 145.0, "acceleration": 12.0, "cylinders": 8.0, "displacement": 350.0, "weight": 4055.0}
-train197_dodge_colt	{"horsepower": 75.0, "acceleration": 14.5, "cylinders": 4.0, "displacement": 90.0, "weight": 2125.0}
-train198_oldsmobile_cutlass_supreme	{"horsepower": 110.0, "acceleration": 19.0, "cylinders": 8.0, "displacement": 260.0, "weight": 4060.0}
-train199_ford_pinto_(sw)	{"horsepower": 86.0, "acceleration": 16.0, "cylinders": 4.0, "displacement": 122.0, "weight": 2395.0}
-train200_chevrolet_vega	{"horsepower": 75.0, "acceleration": 17.0, "cylinders": 4.0, "displacement": 140.0, "weight": 2542.0}
-train201_pontiac_catalina_brougham	{"horsepower": 175.0, "acceleration": 11.5, "cylinders": 8.0, "displacement": 400.0, "weight": 4464.0}
-train202_ford_futura	{"horsepower": 139.0, "acceleration": 11.2, "cylinders": 8.0, "displacement": 302.0, "weight": 3205.0}
-train203_honda_civic	{"horsepower": 53.0, "acceleration": 17.4, "cylinders": 4.0, "displacement": 91.0, "weight": 1795.0}
-train204_ford_mustang	{"horsepower": 88.0, "acceleration": 14.5, "cylinders": 6.0, "displacement": 250.0, "weight": 3139.0}
-train205_chevrolet_vega_(sw)	{"horsepower": 72.0, "acceleration": 19.0, "cylinders": 4.0, "displacement": 140.0, "weight": 2408.0}
-train206_buick_century	{"horsepower": 110.0, "acceleration": 21.0, "cylinders": 6.0, "displacement": 231.0, "weight": 3907.0}
-train207_dodge_aspen	{"horsepower": 90.0, "acceleration": 18.7, "cylinders": 6.0, "displacement": 225.0, "weight": 3381.0}
-train208_subaru_dl	{"horsepower": 67.0, "acceleration": 18.0, "cylinders": 4.0, "displacement": 97.0, "weight": 2145.0}
-train209_plymouth_fury_iii	{"horsepower": 150.0, "acceleration": 13.5, "cylinders": 8.0, "displacement": 318.0, "weight": 4135.0}
-train210_fiat_128	{"horsepower": 49.0, "acceleration": 19.5, "cylinders": 4.0, "displacement": 68.0, "weight": 1867.0}
-train211_volvo_264gl	{"horsepower": 125.0, "acceleration": 13.6, "cylinders": 6.0, "displacement": 163.0, "weight": 3140.0}
-train212_dodge_aries_se	{"horsepower": 84.0, "acceleration": 16.0, "cylinders": 4.0, "displacement": 135.0, "weight": 2525.0}
-train213_datsun_510	{"horsepower": 97.0, "acceleration": 14.7, "cylinders": 4.0, "displacement": 119.0, "weight": 2300.0}
-train214_chevrolet_chevelle_malibu_classic	{"horsepower": 100.0, "acceleration": 17.0, "cylinders": 6.0, "displacement": 250.0, "weight": 3781.0}
-train215_ford_ranger	{"horsepower": 79.0, "acceleration": 18.6, "cylinders": 4.0, "displacement": 120.0, "weight": 2625.0}
-train216_vw_dasher_(diesel)	{"horsepower": 48.0, "acceleration": 23.7, "cylinders": 4.0, "displacement": 90.0, "weight": 2335.0}
-train217_chevy_c20	{"horsepower": 200.0, "acceleration": 15.0, "cylinders": 8.0, "displacement": 307.0, "weight": 4376.0}
-train218_buick_skyhawk	{"horsepower": 110.0, "acceleration": 15.0, "cylinders": 6.0, "displacement": 231.0, "weight": 3039.0}
-train219_peugeot_504	{"horsepower": 88.0, "acceleration": 17.0, "cylinders": 4.0, "displacement": 120.0, "weight": 2957.0}
-train220_ford_f250	{"horsepower": 215.0, "acceleration": 14.0, "cylinders": 8.0, "displacement": 360.0, "weight": 4615.0}
-train221_dodge_diplomat	{"horsepower": 140.0, "acceleration": 13.2, "cylinders": 8.0, "displacement": 318.0, "weight": 3735.0}
-train222_honda_civic_(auto)	{"horsepower": 67.0, "acceleration": 15.7, "cylinders": 4.0, "displacement": 91.0, "weight": 1965.0}
-train223_chevrolet_caprice_classic	{"horsepower": 130.0, "acceleration": 15.4, "cylinders": 8.0, "displacement": 305.0, "weight": 3840.0}
-train224_toyota_corolla_1200	{"horsepower": 65.0, "acceleration": 21.0, "cylinders": 4.0, "displacement": 71.0, "weight": 1836.0}
-train225_plymouth_volare_premier_v8	{"horsepower": 150.0, "acceleration": 13.2, "cylinders": 8.0, "displacement": 318.0, "weight": 3940.0}
-train226_opel_manta	{"horsepower": 78.0, "acceleration": 14.5, "cylinders": 4.0, "displacement": 97.0, "weight": 2300.0}
-train227_mercedes_benz_300d	{"horsepower": 77.0, "acceleration": 20.1, "cylinders": 5.0, "displacement": 183.0, "weight": 3530.0}
-train228_chevrolet_cavalier_wagon	{"horsepower": 88.0, "acceleration": 18.6, "cylinders": 4.0, "displacement": 112.0, "weight": 2640.0}
-train229_vw_rabbit	{"horsepower": 70.0, "acceleration": 14.2, "cylinders": 4.0, "displacement": 90.0, "weight": 1937.0}
-train230_toyota_corolla	{"horsepower": 75.0, "acceleration": 15.2, "cylinders": 4.0, "displacement": 108.0, "weight": 2265.0}
-train231_buick_estate_wagon_(sw)	{"horsepower": 225.0, "acceleration": 10.0, "cylinders": 8.0, "displacement": 455.0, "weight": 3086.0}
-train232_ford_f108	{"horsepower": 130.0, "acceleration": 15.0, "cylinders": 8.0, "displacement": 302.0, "weight": 3870.0}
-train233_oldsmobile_omega	{"horsepower": 180.0, "acceleration": 11.0, "cylinders": 8.0, "displacement": 350.0, "weight": 3664.0}
-train234_oldsmobile_cutlass_ciera_(diesel)	{"horsepower": 85.0, "acceleration": 17.0, "cylinders": 6.0, "displacement": 262.0, "weight": 3015.0}
-train235_chevrolet_impala	{"horsepower": 220.0, "acceleration": 9.0, "cylinders": 8.0, "displacement": 454.0, "weight": 4354.0}
-train236_volkswagen_dasher	{"horsepower": 71.0, "acceleration": 16.5, "cylinders": 4.0, "displacement": 90.0, "weight": 2223.0}
-train237_ford_fairmont_futura	{"horsepower": 92.0, "acceleration": 16.4, "cylinders": 4.0, "displacement": 140.0, "weight": 2865.0}
-train238_datsun_210	{"horsepower": 65.0, "acceleration": 19.2, "cylinders": 4.0, "displacement": 85.0, "weight": 2020.0}
-train239_honda_accord_cvcc	{"horsepower": 68.0, "acceleration": 18.5, "cylinders": 4.0, "displacement": 98.0, "weight": 2045.0}
-train240_mazda_glc	{"horsepower": 65.0, "acceleration": 17.9, "cylinders": 4.0, "displacement": 86.0, "weight": 2110.0}
-train241_chevrolet_citation	{"horsepower": 90.0, "acceleration": 16.5, "cylinders": 4.0, "displacement": 151.0, "weight": 2678.0}
-train242_datsun_810_maxima	{"horsepower": 120.0, "acceleration": 13.8, "cylinders": 6.0, "displacement": 146.0, "weight": 2930.0}
-train243_ford_maverick	{"horsepower": 85.0, "acceleration": 16.0, "cylinders": 6.0, "displacement": 200.0, "weight": 2587.0}
-train244_fiat_124_sport_coupe	{"horsepower": 90.0, "acceleration": 15.5, "cylinders": 4.0, "displacement": 98.0, "weight": 2265.0}
-train245_chevrolet_vega	{"horsepower": 72.0, "acceleration": 19.5, "cylinders": 4.0, "displacement": 140.0, "weight": 2401.0}
-train246_chevrolet_chevelle_malibu_classic	{"horsepower": 140.0, "acceleration": 13.0, "cylinders": 8.0, "displacement": 305.0, "weight": 4215.0}
-train247_buick_skylark	{"horsepower": 84.0, "acceleration": 16.4, "cylinders": 4.0, "displacement": 151.0, "weight": 2635.0}
-train248_renault_5_gtl	{"horsepower": 58.0, "acceleration": 18.6, "cylinders": 4.0, "displacement": 79.0, "weight": 1825.0}
-train249_plymouth_duster	{"horsepower": 95.0, "acceleration": 15.5, "cylinders": 6.0, "displacement": 198.0, "weight": 2833.0}
-train250_buick_regal_sport_coupe_(turbo)	{"horsepower": 165.0, "acceleration": 13.4, "cylinders": 6.0, "displacement": 231.0, "weight": 3445.0}
-train251_mercury_lynx_l	{"horsepower": 70.0, "acceleration": 17.3, "cylinders": 4.0, "displacement": 98.0, "weight": 2125.0}
-train252_dodge_aspen_6	{"horsepower": 110.0, "acceleration": 16.6, "cylinders": 6.0, "displacement": 225.0, "weight": 3360.0}
-train253_oldsmobile_vista_cruiser	{"horsepower": 180.0, "acceleration": 12.5, "cylinders": 8.0, "displacement": 350.0, "weight": 4499.0}
-train254_amc_pacer_d/l	{"horsepower": 95.0, "acceleration": 17.8, "cylinders": 6.0, "displacement": 258.0, "weight": 3193.0}
-train255_ford_fairmont_4	{"horsepower": 88.0, "acceleration": 17.3, "cylinders": 4.0, "displacement": 140.0, "weight": 2890.0}
-train256_chevrolet_chevelle_concours_(sw)	{"horsepower": 130.0, "acceleration": 14.0, "cylinders": 8.0, "displacement": 307.0, "weight": 4098.0}
-train257_honda_accord	{"horsepower": 72.0, "acceleration": 17.0, "cylinders": 4.0, "displacement": 107.0, "weight": 2290.0}
-train258_dodge_colt_hardtop	{"horsepower": 80.0, "acceleration": 17.0, "cylinders": 4.0, "displacement": 97.5, "weight": 2126.0}
-train259_amc_hornet_sportabout_(sw)	{"horsepower": 110.0, "acceleration": 13.5, "cylinders": 6.0, "displacement": 258.0, "weight": 2962.0}
-train260_toyota_corona	{"horsepower": 95.0, "acceleration": 14.0, "cylinders": 4.0, "displacement": 113.0, "weight": 2228.0}
-train261_ford_fiesta	{"horsepower": 66.0, "acceleration": 14.4, "cylinders": 4.0, "displacement": 98.0, "weight": 1800.0}
-train262_datsun_280-zx	{"horsepower": 132.0, "acceleration": 11.4, "cylinders": 6.0, "displacement": 168.0, "weight": 2910.0}
-train263_chevrolet_impala	{"horsepower": 165.0, "acceleration": 12.0, "cylinders": 8.0, "displacement": 350.0, "weight": 4274.0}
-train264_toyota_corolla	{"horsepower": 75.0, "acceleration": 16.4, "cylinders": 4.0, "displacement": 97.0, "weight": 2155.0}
-train265_chevrolet_chevelle_malibu	{"horsepower": 100.0, "acceleration": 15.5, "cylinders": 6.0, "displacement": 250.0, "weight": 3329.0}
-train266_volvo_diesel	{"horsepower": 76.0, "acceleration": 19.6, "cylinders": 6.0, "displacement": 145.0, "weight": 3160.0}
-train267_pontiac_phoenix	{"horsepower": 90.0, "acceleration": 18.0, "cylinders": 4.0, "displacement": 151.0, "weight": 2735.0}
-train268_dodge_colt_(sw)	{"horsepower": 80.0, "acceleration": 15.0, "cylinders": 4.0, "displacement": 98.0, "weight": 2164.0}
-train269_vokswagen_rabbit	{"horsepower": 62.0, "acceleration": 15.3, "cylinders": 4.0, "displacement": 89.0, "weight": 1845.0}
-train270_peugeot_504	{"horsepower": 71.0, "acceleration": 24.8, "cylinders": 4.0, "displacement": 141.0, "weight": 3190.0}
-train271_chevrolet_vega_2300	{"horsepower": 90.0, "acceleration": 15.5, "cylinders": 4.0, "displacement": 140.0, "weight": 2264.0}
-train272_ford_fairmont_(auto)	{"horsepower": 85.0, "acceleration": 15.8, "cylinders": 6.0, "displacement": 200.0, "weight": 2965.0}
-train273_plymouth_grand_fury	{"horsepower": 150.0, "acceleration": 14.5, "cylinders": 8.0, "displacement": 318.0, "weight": 4498.0}
-train274_plymouth_'cuda_340	{"horsepower": 160.0, "acceleration": 8.0, "cylinders": 8.0, "displacement": 340.0, "weight": 3609.0}
-train275_ford_granada_l	{"horsepower": 112.0, "acceleration": 14.7, "cylinders": 6.0, "displacement": 232.0, "weight": 2835.0}
-train276_volkswagen_rabbit_custom	{"horsepower": 78.0, "acceleration": 14.5, "cylinders": 4.0, "displacement": 97.0, "weight": 1940.0}
-train277_honda_civic_cvcc	{"horsepower": 53.0, "acceleration": 17.5, "cylinders": 4.0, "displacement": 91.0, "weight": 1795.0}
-train278_chevrolet_nova_custom	{"horsepower": 100.0, "acceleration": 18.0, "cylinders": 6.0, "displacement": 250.0, "weight": 3278.0}
-train279_honda_civic_cvcc	{"horsepower": 60.0, "acceleration": 16.4, "cylinders": 4.0, "displacement": 91.0, "weight": 1800.0}
-train280_volkswagen_type_3	{"horsepower": 54.0, "acceleration": 23.5, "cylinders": 4.0, "displacement": 97.0, "weight": 2254.0}
-train281_toyota_corolla_tercel	{"horsepower": 60.0, "acceleration": 18.8, "cylinders": 4.0, "displacement": 89.0, "weight": 1968.0}
-train282_datsun_pl510	{"horsepower": 88.0, "acceleration": 14.5, "cylinders": 4.0, "displacement": 97.0, "weight": 2130.0}
-train283_ford_maverick	{"horsepower": 81.0, "acceleration": 17.6, "cylinders": 6.0, "displacement": 200.0, "weight": 3012.0}
-train284_dodge_omni	{"horsepower": 75.0, "acceleration": 14.5, "cylinders": 4.0, "displacement": 105.0, "weight": 2230.0}
-train285_plymouth_volare_custom	{"horsepower": 100.0, "acceleration": 17.7, "cylinders": 6.0, "displacement": 225.0, "weight": 3630.0}
-train286_datsun_710	{"horsepower": 61.0, "acceleration": 19.0, "cylinders": 4.0, "displacement": 83.0, "weight": 2003.0}
-train287_honda_civic_1300	{"horsepower": 60.0, "acceleration": 16.1, "cylinders": 4.0, "displacement": 81.0, "weight": 1760.0}
-train288_saab_99le	{"horsepower": 110.0, "acceleration": 14.0, "cylinders": 4.0, "displacement": 121.0, "weight": 2660.0}
-train289_honda_prelude	{"horsepower": 75.0, "acceleration": 14.4, "cylinders": 4.0, "displacement": 107.0, "weight": 2210.0}
-train290_buick_skylark_limited	{"horsepower": 90.0, "acceleration": 16.0, "cylinders": 4.0, "displacement": 151.0, "weight": 2670.0}
-train291_pontiac_catalina	{"horsepower": 225.0, "acceleration": 10.0, "cylinders": 8.0, "displacement": 455.0, "weight": 4425.0}
-train292_mazda_rx-4	{"horsepower": 110.0, "acceleration": 13.5, "cylinders": 3.0, "displacement": 80.0, "weight": 2720.0}
-train293_volkswagen_super_beetle	{"horsepower": 46.0, "acceleration": 21.0, "cylinders": 4.0, "displacement": 97.0, "weight": 1950.0}
-train294_ford_fairmont_(man)	{"horsepower": 88.0, "acceleration": 15.4, "cylinders": 4.0, "displacement": 140.0, "weight": 2720.0}
-train295_fiat_131	{"horsepower": 86.0, "acceleration": 15.5, "cylinders": 4.0, "displacement": 107.0, "weight": 2464.0}
-train296_ford_escort_4w	{"horsepower": 65.0, "acceleration": 16.2, "cylinders": 4.0, "displacement": 98.0, "weight": 2045.0}
-train297_plymouth_horizon_miser	{"horsepower": 63.0, "acceleration": 14.7, "cylinders": 4.0, "displacement": 105.0, "weight": 2125.0}
-train298_ford_mustang_ii	{"horsepower": 129.0, "acceleration": 12.0, "cylinders": 8.0, "displacement": 302.0, "weight": 3169.0}
-train299_saab_99e	{"horsepower": 95.0, "acceleration": 17.5, "cylinders": 4.0, "displacement": 104.0, "weight": 2375.0}
-train300_fiat_124b	{"horsepower": 76.0, "acceleration": 14.5, "cylinders": 4.0, "displacement": 88.0, "weight": 2065.0}
diff --git a/creg/test_data/auto-mpg.trainresp b/creg/test_data/auto-mpg.trainresp
deleted file mode 100644
index ece7fa37..00000000
--- a/creg/test_data/auto-mpg.trainresp
+++ /dev/null
@@ -1,300 +0,0 @@
-train1_buick_century_350	13.0
-train2_audi_100_ls	24.0
-train3_chrysler_newport_royal	13.0
-train4_mercury_zephyr_6	19.8
-train5_volkswagen_model_111	27.0
-train6_dodge_monaco_brougham	15.5
-train7_mercedes-benz_240d	30.0
-train8_datsun_510_(sw)	28.0
-train9_opel_manta	24.0
-train10_renault_12_(sw)	26.0
-train11_chevrolet_nova	15.0
-train12_plymouth_arrow_gs	25.5
-train13_toyota_mark_ii	19.0
-train14_chevrolet_caprice_classic	13.0
-train15_ford_maverick	18.0
-train16_pontiac_lemans_v6	21.5
-train17_ford_granada_gl	20.2
-train18_chevrolet_monte_carlo_landau	15.5
-train19_subaru	26.0
-train20_volkswagen_411_(sw)	22.0
-train21_chrysler_lebaron_salon	17.6
-train22_volkswagen_jetta	33.0
-train23_dodge_coronet_brougham	16.0
-train24_pontiac_safari_(sw)	13.0
-train25_mazda_rx-7_gs	23.7
-train26_datsun_210	40.8
-train27_vw_rabbit_c_(diesel)	44.3
-train28_nissan_stanza_xe	36.0
-train29_audi_5000	20.3
-train30_chevrolet_malibu	13.0
-train31_mercury_capri_v6	21.0
-train32_datsun_b210_gx	39.4
-train33_volkswagen_dasher	26.0
-train34_volvo_145e_(sw)	18.0
-train35_chrysler_lebaron_medallion	26.0
-train36_pontiac_catalina	16.0
-train37_toyota_tercel	37.7
-train38_datsun_f-10_hatchback	33.5
-train39_chrysler_lebaron_town_@_country_(sw)	18.5
-train40_buick_century	22.4
-train41_amc_matador_(sw)	15.0
-train42_honda_civic	38.0
-train43_dodge_coronet_custom_(sw)	14.0
-train44_bmw_320i	21.5
-train45_mercury_marquis	11.0
-train46_amc_matador_(sw)	14.0
-train47_ford_ltd	13.0
-train48_toyota_corolla_1200	31.0
-train49_amc_ambassador_brougham	13.0
-train50_ford_galaxie_500	14.0
-train51_amc_concord_d/l	18.1
-train52_amc_matador	18.0
-train53_toyota_corona	24.0
-train54_plymouth_reliant	27.2
-train55_ford_pinto	18.0
-train56_datsun_810	22.0
-train57_fiat_x1.9	31.0
-train58_mercury_zephyr	20.8
-train59_toyota_corolla_1600_(sw)	27.0
-train60_chevrolet_chevette	30.0
-train61_toyota_cressida	25.4
-train62_toyota_corolla	34.0
-train63_datsun_710	24.0
-train64_mercury_grand_marquis	16.5
-train65_plymouth_champ	39.0
-train66_datsun_200-sx	23.9
-train67_chevrolet_nova	18.0
-train68_hi_1200d	9.0
-train69_ford_country	12.0
-train70_plymouth_valiant	22.0
-train71_amc_gremlin	20.0
-train72_ford_pinto_runabout	21.0
-train73_chevrolet_monte_carlo_landau	19.2
-train74_amc_concord_dl_6	20.2
-train75_pontiac_firebird	19.0
-train76_chevrolet_cavalier_2-door	34.0
-train77_mercedes-benz_280s	16.5
-train78_dodge_d200	11.0
-train79_amc_hornet	18.0
-train80_plymouth_reliant	30.0
-train81_amc_hornet	19.0
-train82_toyota_corona_liftback	29.8
-train83_ford_maverick	15.0
-train84_cadillac_eldorado	23.0
-train85_mercury_monarch	15.0
-train86_buick_skylark	20.5
-train87_chevrolet_cavalier	28.0
-train88_chevrolet_vega	20.0
-train89_ford_torino	17.0
-train90_chevrolet_chevelle_malibu	18.0
-train91_toyota_corona	31.0
-train92_buick_opel_isuzu_deluxe	30.0
-train93_volvo_244dl	22.0
-train94_opel_1900	25.0
-train95_peugeot_304	30.0
-train96_toyota_celica_gt	32.0
-train97_buick_estate_wagon_(sw)	16.9
-train98_volvo_245	20.0
-train99_chevrolet_impala	11.0
-train100_chevrolet_bel_air	15.0
-train101_datsun_pl510	27.0
-train102_saab_99gle	21.6
-train103_renault_12tl	27.0
-train104_pontiac_catalina	14.0
-train105_subaru	32.3
-train106_chevrolet_chevette	32.1
-train107_saab_99le	25.0
-train108_amc_rebel_sst	16.0
-train109_ford_gran_torino	16.0
-train110_ford_mustang_ii_2+2	25.5
-train111_ford_pinto	26.0
-train112_toyota_corolla	32.4
-train113_toyota_carina	20.0
-train114_amc_hornet	18.0
-train115_plymouth_horizon_4	34.7
-train116_chevrolet_nova	22.0
-train117_fiat_128	24.0
-train118_dodge_coronet_custom	15.0
-train119_volkswagen_rabbit	29.5
-train120_chevrolet_camaro	27.0
-train121_ford_gran_torino_(sw)	13.0
-train122_subaru_dl	30.0
-train123_mazda_626	31.3
-train124_oldsmobile_cutlass_salon_brougham	23.9
-train125_volvo_144ea	19.0
-train126_plymouth_satellite	18.0
-train127_amc_gremlin	18.0
-train128_chevrolet_malibu_classic_(sw)	19.2
-train129_toyota_corolla	29.0
-train130_buick_skylark_320	15.0
-train131_toyota_corona_mark_ii	24.0
-train132_ford_gran_torino	14.5
-train133_dodge_colt	26.0
-train134_pontiac_ventura_sj	18.5
-train135_oldsmobile_cutlass_ls	26.6
-train136_toyouta_corona_mark_ii_(sw)	23.0
-train137_amc_gremlin	19.0
-train138_chevrolet_malibu	20.5
-train139_oldsmobile_starfire_sx	23.8
-train140_amc_ambassador_dpl	15.0
-train141_volkswagen_scirocco	31.5
-train142_plymouth_satellite_custom_(sw)	14.0
-train143_toyota_corolla_liftback	26.0
-train144_ford_fairmont	26.4
-train145_plymouth_fury_gran_sedan	14.0
-train146_buick_century_luxus_(sw)	13.0
-train147_ford_granada_ghia	18.0
-train148_dodge_charger_2.2	36.0
-train149_chevrolet_concours	17.5
-train150_toyota_corona	27.5
-train151_pontiac_grand_prix_lj	16.0
-train152_dodge_colt_m/m	33.5
-train153_pontiac_astro	23.0
-train154_amc_gremlin	21.0
-train155_fiat_strada_custom	37.3
-train156_toyota_corona_hardtop	24.0
-train157_datsun_b210	31.0
-train158_volkswagen_dasher	30.5
-train159_plymouth_duster	23.0
-train160_mazda_626	31.6
-train161_buick_lesabre_custom	13.0
-train162_chevrolet_monte_carlo	15.0
-train163_peugeot_505s_turbo_diesel	28.1
-train164_datsun_610	22.0
-train165_ford_granada	18.5
-train166_pontiac_grand_prix	16.0
-train167_cadillac_seville	16.5
-train168_amc_concord	24.3
-train169_ford_mustang_gl	27.0
-train170_amc_matador	15.0
-train171_ford_gran_torino_(sw)	14.0
-train172_datsun_510_hatchback	37.0
-train173_dodge_rampage	32.0
-train174_datsun_b-210	32.0
-train175_datsun_210_mpg	37.0
-train176_plymouth_horizon_tc3	34.5
-train177_ford_pinto	19.0
-train178_chrysler_new_yorker_brougham	13.0
-train179_chrysler_cordoba	15.5
-train180_oldsmobile_cutlass_salon_brougham	19.9
-train181_plymouth_satellite_custom	16.0
-train182_maxda_glc_deluxe	34.1
-train183_datsun_1200	35.0
-train184_ford_pinto	26.5
-train185_volkswagen_rabbit_l	36.0
-train186_audi_100ls	23.0
-train187_chevrolet_citation	28.8
-train188_buick_electra_225_custom	12.0
-train189_datsun_200sx	32.9
-train190_dodge_colt_hatchback_custom	35.7
-train191_honda_accord_lx	29.5
-train192_plymouth_custom_suburb	13.0
-train193_toyota_mark_ii	20.0
-train194_oldsmobile_omega_brougham	26.8
-train195_ford_ltd_landau	17.6
-train196_chevy_c10	13.0
-train197_dodge_colt	28.0
-train198_oldsmobile_cutlass_supreme	17.0
-train199_ford_pinto_(sw)	22.0
-train200_chevrolet_vega	25.0
-train201_pontiac_catalina_brougham	14.0
-train202_ford_futura	18.1
-train203_honda_civic	33.0
-train204_ford_mustang	18.0
-train205_chevrolet_vega_(sw)	22.0
-train206_buick_century	17.0
-train207_dodge_aspen	19.1
-train208_subaru_dl	33.8
-train209_plymouth_fury_iii	15.0
-train210_fiat_128	29.0
-train211_volvo_264gl	17.0
-train212_dodge_aries_se	29.0
-train213_datsun_510	27.2
-train214_chevrolet_chevelle_malibu_classic	16.0
-train215_ford_ranger	28.0
-train216_vw_dasher_(diesel)	43.4
-train217_chevy_c20	10.0
-train218_buick_skyhawk	21.0
-train219_peugeot_504	23.0
-train220_ford_f250	10.0
-train221_dodge_diplomat	19.4
-train222_honda_civic_(auto)	32.0
-train223_chevrolet_caprice_classic	17.0
-train224_toyota_corolla_1200	32.0
-train225_plymouth_volare_premier_v8	13.0
-train226_opel_manta	26.0
-train227_mercedes_benz_300d	25.4
-train228_chevrolet_cavalier_wagon	27.0
-train229_vw_rabbit	29.0
-train230_toyota_corolla	32.2
-train231_buick_estate_wagon_(sw)	14.0
-train232_ford_f108	13.0
-train233_oldsmobile_omega	11.0
-train234_oldsmobile_cutlass_ciera_(diesel)	38.0
-train235_chevrolet_impala	14.0
-train236_volkswagen_dasher	25.0
-train237_ford_fairmont_futura	24.0
-train238_datsun_210	31.8
-train239_honda_accord_cvcc	31.5
-train240_mazda_glc	46.6
-train241_chevrolet_citation	28.0
-train242_datsun_810_maxima	24.2
-train243_ford_maverick	21.0
-train244_fiat_124_sport_coupe	26.0
-train245_chevrolet_vega	21.0
-train246_chevrolet_chevelle_malibu_classic	17.5
-train247_buick_skylark	26.6
-train248_renault_5_gtl	36.0
-train249_plymouth_duster	22.0
-train250_buick_regal_sport_coupe_(turbo)	17.7
-train251_mercury_lynx_l	36.0
-train252_dodge_aspen_6	20.6
-train253_oldsmobile_vista_cruiser	12.0
-train254_amc_pacer_d/l	17.5
-train255_ford_fairmont_4	22.3
-train256_chevrolet_chevelle_concours_(sw)	13.0
-train257_honda_accord	32.4
-train258_dodge_colt_hardtop	25.0
-train259_amc_hornet_sportabout_(sw)	18.0
-train260_toyota_corona	25.0
-train261_ford_fiesta	36.1
-train262_datsun_280-zx	32.7
-train263_chevrolet_impala	13.0
-train264_toyota_corolla	28.0
-train265_chevrolet_chevelle_malibu	17.0
-train266_volvo_diesel	30.7
-train267_pontiac_phoenix	27.0
-train268_dodge_colt_(sw)	28.0
-train269_vokswagen_rabbit	29.8
-train270_peugeot_504	27.2
-train271_chevrolet_vega_2300	28.0
-train272_ford_fairmont_(auto)	20.2
-train273_plymouth_grand_fury	16.0
-train274_plymouth_'cuda_340	14.0
-train275_ford_granada_l	22.0
-train276_volkswagen_rabbit_custom	29.0
-train277_honda_civic_cvcc	33.0
-train278_chevrolet_nova_custom	16.0
-train279_honda_civic_cvcc	36.1
-train280_volkswagen_type_3	23.0
-train281_toyota_corolla_tercel	38.1
-train282_datsun_pl510	27.0
-train283_ford_maverick	24.0
-train284_dodge_omni	30.9
-train285_plymouth_volare_custom	19.0
-train286_datsun_710	32.0
-train287_honda_civic_1300	35.1
-train288_saab_99le	24.0
-train289_honda_prelude	33.7
-train290_buick_skylark_limited	28.4
-train291_pontiac_catalina	14.0
-train292_mazda_rx-4	21.5
-train293_volkswagen_super_beetle	26.0
-train294_ford_fairmont_(man)	25.1
-train295_fiat_131	28.0
-train296_ford_escort_4w	34.4
-train297_plymouth_horizon_miser	38.0
-train298_ford_mustang_ii	13.0
-train299_saab_99e	25.0
-train300_fiat_124b	30.0
diff --git a/creg/test_data/iris.testfeat b/creg/test_data/iris.testfeat
deleted file mode 100644
index f7528f81..00000000
--- a/creg/test_data/iris.testfeat
+++ /dev/null
@@ -1,50 +0,0 @@
-100	{"sepal-length": 4.9, "sepal-width": 2.5, "petal-length": 4.5, "petal-width": 1.7}
-101	{"sepal-length": 6.5, "sepal-width": 3.0, "petal-length": 5.2, "petal-width": 2.0}
-102	{"sepal-length": 4.4, "sepal-width": 3.0, "petal-length": 1.3, "petal-width": 0.2}
-103	{"sepal-length": 5.0, "sepal-width": 3.4, "petal-length": 1.5, "petal-width": 0.2}
-104	{"sepal-length": 5.0, "sepal-width": 3.0, "petal-length": 1.6, "petal-width": 0.2}
-105	{"sepal-length": 5.1, "sepal-width": 3.4, "petal-length": 1.5, "petal-width": 0.2}
-106	{"sepal-length": 5.5, "sepal-width": 2.3, "petal-length": 4.0, "petal-width": 1.3}
-107	{"sepal-length": 5.5, "sepal-width": 2.6, "petal-length": 4.4, "petal-width": 1.2}
-108	{"sepal-length": 5.4, "sepal-width": 3.4, "petal-length": 1.7, "petal-width": 0.2}
-109	{"sepal-length": 5.5, "sepal-width": 2.4, "petal-length": 3.7, "petal-width": 1.0}
-110	{"sepal-length": 6.7, "sepal-width": 3.0, "petal-length": 5.0, "petal-width": 1.7}
-111	{"sepal-length": 6.4, "sepal-width": 2.8, "petal-length": 5.6, "petal-width": 2.2}
-112	{"sepal-length": 5.5, "sepal-width": 4.2, "petal-length": 1.4, "petal-width": 0.2}
-113	{"sepal-length": 5.9, "sepal-width": 3.0, "petal-length": 4.2, "petal-width": 1.5}
-114	{"sepal-length": 4.9, "sepal-width": 3.1, "petal-length": 1.5, "petal-width": 0.1}
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-116	{"sepal-length": 5.0, "sepal-width": 3.6, "petal-length": 1.4, "petal-width": 0.2}
-117	{"sepal-length": 6.3, "sepal-width": 2.3, "petal-length": 4.4, "petal-width": 1.3}
-118	{"sepal-length": 6.7, "sepal-width": 3.3, "petal-length": 5.7, "petal-width": 2.1}
-119	{"sepal-length": 5.8, "sepal-width": 2.7, "petal-length": 5.1, "petal-width": 1.9}
-120	{"sepal-length": 5.2, "sepal-width": 2.7, "petal-length": 3.9, "petal-width": 1.4}
-121	{"sepal-length": 5.0, "sepal-width": 3.5, "petal-length": 1.6, "petal-width": 0.6}
-122	{"sepal-length": 5.0, "sepal-width": 3.2, "petal-length": 1.2, "petal-width": 0.2}
-123	{"sepal-length": 6.7, "sepal-width": 3.0, "petal-length": 5.2, "petal-width": 2.3}
-124	{"sepal-length": 5.5, "sepal-width": 2.5, "petal-length": 4.0, "petal-width": 1.3}
-125	{"sepal-length": 5.6, "sepal-width": 3.0, "petal-length": 4.5, "petal-width": 1.5}
-126	{"sepal-length": 6.6, "sepal-width": 3.0, "petal-length": 4.4, "petal-width": 1.4}
-127	{"sepal-length": 5.1, "sepal-width": 3.8, "petal-length": 1.6, "petal-width": 0.2}
-128	{"sepal-length": 5.9, "sepal-width": 3.0, "petal-length": 5.1, "petal-width": 1.8}
-129	{"sepal-length": 6.2, "sepal-width": 3.4, "petal-length": 5.4, "petal-width": 2.3}
-130	{"sepal-length": 5.6, "sepal-width": 2.8, "petal-length": 4.9, "petal-width": 2.0}
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-132	{"sepal-length": 6.2, "sepal-width": 2.9, "petal-length": 4.3, "petal-width": 1.3}
-133	{"sepal-length": 6.0, "sepal-width": 3.4, "petal-length": 4.5, "petal-width": 1.6}
-134	{"sepal-length": 5.4, "sepal-width": 3.9, "petal-length": 1.7, "petal-width": 0.4}
-135	{"sepal-length": 6.3, "sepal-width": 3.3, "petal-length": 6.0, "petal-width": 2.5}
-136	{"sepal-length": 6.5, "sepal-width": 3.2, "petal-length": 5.1, "petal-width": 2.0}
-137	{"sepal-length": 5.1, "sepal-width": 2.5, "petal-length": 3.0, "petal-width": 1.1}
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-139	{"sepal-length": 5.7, "sepal-width": 2.5, "petal-length": 5.0, "petal-width": 2.0}
-140	{"sepal-length": 6.0, "sepal-width": 2.2, "petal-length": 5.0, "petal-width": 1.5}
-141	{"sepal-length": 6.4, "sepal-width": 3.2, "petal-length": 5.3, "petal-width": 2.3}
-142	{"sepal-length": 6.5, "sepal-width": 2.8, "petal-length": 4.6, "petal-width": 1.5}
-143	{"sepal-length": 5.5, "sepal-width": 3.5, "petal-length": 1.3, "petal-width": 0.2}
-144	{"sepal-length": 4.7, "sepal-width": 3.2, "petal-length": 1.3, "petal-width": 0.2}
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diff --git a/creg/test_data/iris.testresp b/creg/test_data/iris.testresp
deleted file mode 100644
index 0952e4da..00000000
--- a/creg/test_data/iris.testresp
+++ /dev/null
@@ -1,50 +0,0 @@
-100	Iris-virginica
-101	Iris-virginica
-102	Iris-setosa
-103	Iris-setosa
-104	Iris-setosa
-105	Iris-setosa
-106	Iris-versicolor
-107	Iris-versicolor
-108	Iris-setosa
-109	Iris-versicolor
-110	Iris-versicolor
-111	Iris-virginica
-112	Iris-setosa
-113	Iris-versicolor
-114	Iris-setosa
-115	Iris-virginica
-116	Iris-setosa
-117	Iris-versicolor
-118	Iris-virginica
-119	Iris-virginica
-120	Iris-versicolor
-121	Iris-setosa
-122	Iris-setosa
-123	Iris-virginica
-124	Iris-versicolor
-125	Iris-versicolor
-126	Iris-versicolor
-127	Iris-setosa
-128	Iris-virginica
-129	Iris-virginica
-130	Iris-virginica
-131	Iris-versicolor
-132	Iris-versicolor
-133	Iris-versicolor
-134	Iris-setosa
-135	Iris-virginica
-136	Iris-virginica
-137	Iris-versicolor
-138	Iris-setosa
-139	Iris-virginica
-140	Iris-virginica
-141	Iris-virginica
-142	Iris-versicolor
-143	Iris-setosa
-144	Iris-setosa
-145	Iris-setosa
-146	Iris-versicolor
-147	Iris-virginica
-148	Iris-virginica
-149	Iris-virginica
diff --git a/creg/test_data/iris.trainfeat b/creg/test_data/iris.trainfeat
deleted file mode 100644
index a930a446..00000000
--- a/creg/test_data/iris.trainfeat
+++ /dev/null
@@ -1,100 +0,0 @@
-0	{"sepal-length": 5.4, "sepal-width": 3.0, "petal-length": 4.5, "petal-width": 1.5}
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-19	{"sepal-length": 4.5, "sepal-width": 2.3, "petal-length": 1.3, "petal-width": 0.3}
-20	{"sepal-length": 5.6, "sepal-width": 3.0, "petal-length": 4.1, "petal-width": 1.3}
-21	{"sepal-length": 6.8, "sepal-width": 3.0, "petal-length": 5.5, "petal-width": 2.1}
-22	{"sepal-length": 6.5, "sepal-width": 3.0, "petal-length": 5.8, "petal-width": 2.2}
-23	{"sepal-length": 4.4, "sepal-width": 3.2, "petal-length": 1.3, "petal-width": 0.2}
-24	{"sepal-length": 6.3, "sepal-width": 2.5, "petal-length": 5.0, "petal-width": 1.9}
-25	{"sepal-length": 4.4, "sepal-width": 2.9, "petal-length": 1.4, "petal-width": 0.2}
-26	{"sepal-length": 4.9, "sepal-width": 3.0, "petal-length": 1.4, "petal-width": 0.2}
-27	{"sepal-length": 5.4, "sepal-width": 3.4, "petal-length": 1.5, "petal-width": 0.4}
-28	{"sepal-length": 5.8, "sepal-width": 2.7, "petal-length": 3.9, "petal-width": 1.2}
-29	{"sepal-length": 5.6, "sepal-width": 2.5, "petal-length": 3.9, "petal-width": 1.1}
-30	{"sepal-length": 5.1, "sepal-width": 3.5, "petal-length": 1.4, "petal-width": 0.3}
-31	{"sepal-length": 5.6, "sepal-width": 2.7, "petal-length": 4.2, "petal-width": 1.3}
-32	{"sepal-length": 5.1, "sepal-width": 3.5, "petal-length": 1.4, "petal-width": 0.2}
-33	{"sepal-length": 6.4, "sepal-width": 2.7, "petal-length": 5.3, "petal-width": 1.9}
-34	{"sepal-length": 5.8, "sepal-width": 4.0, "petal-length": 1.2, "petal-width": 0.2}
-35	{"sepal-length": 5.2, "sepal-width": 3.4, "petal-length": 1.4, "petal-width": 0.2}
-36	{"sepal-length": 7.6, "sepal-width": 3.0, "petal-length": 6.6, "petal-width": 2.1}
-37	{"sepal-length": 5.8, "sepal-width": 2.7, "petal-length": 5.1, "petal-width": 1.9}
-38	{"sepal-length": 6.0, "sepal-width": 2.2, "petal-length": 4.0, "petal-width": 1.0}
-39	{"sepal-length": 7.7, "sepal-width": 3.0, "petal-length": 6.1, "petal-width": 2.3}
-40	{"sepal-length": 5.1, "sepal-width": 3.7, "petal-length": 1.5, "petal-width": 0.4}
-41	{"sepal-length": 6.1, "sepal-width": 2.6, "petal-length": 5.6, "petal-width": 1.4}
-42	{"sepal-length": 6.7, "sepal-width": 3.1, "petal-length": 5.6, "petal-width": 2.4}
-43	{"sepal-length": 7.7, "sepal-width": 3.8, "petal-length": 6.7, "petal-width": 2.2}
-44	{"sepal-length": 5.1, "sepal-width": 3.3, "petal-length": 1.7, "petal-width": 0.5}
-45	{"sepal-length": 6.3, "sepal-width": 2.8, "petal-length": 5.1, "petal-width": 1.5}
-46	{"sepal-length": 5.0, "sepal-width": 2.0, "petal-length": 3.5, "petal-width": 1.0}
-47	{"sepal-length": 5.1, "sepal-width": 3.8, "petal-length": 1.5, "petal-width": 0.3}
-48	{"sepal-length": 4.9, "sepal-width": 3.1, "petal-length": 1.5, "petal-width": 0.1}
-49	{"sepal-length": 6.1, "sepal-width": 3.0, "petal-length": 4.9, "petal-width": 1.8}
-50	{"sepal-length": 6.4, "sepal-width": 2.8, "petal-length": 5.6, "petal-width": 2.1}
-51	{"sepal-length": 6.5, "sepal-width": 3.0, "petal-length": 5.5, "petal-width": 1.8}
-52	{"sepal-length": 6.1, "sepal-width": 2.8, "petal-length": 4.7, "petal-width": 1.2}
-53	{"sepal-length": 6.1, "sepal-width": 2.8, "petal-length": 4.0, "petal-width": 1.3}
-54	{"sepal-length": 4.9, "sepal-width": 3.1, "petal-length": 1.5, "petal-width": 0.1}
-55	{"sepal-length": 6.8, "sepal-width": 2.8, "petal-length": 4.8, "petal-width": 1.4}
-56	{"sepal-length": 6.3, "sepal-width": 2.7, "petal-length": 4.9, "petal-width": 1.8}
-57	{"sepal-length": 4.6, "sepal-width": 3.2, "petal-length": 1.4, "petal-width": 0.2}
-58	{"sepal-length": 6.3, "sepal-width": 3.4, "petal-length": 5.6, "petal-width": 2.4}
-59	{"sepal-length": 5.7, "sepal-width": 4.4, "petal-length": 1.5, "petal-width": 0.4}
-60	{"sepal-length": 6.4, "sepal-width": 2.9, "petal-length": 4.3, "petal-width": 1.3}
-61	{"sepal-length": 7.2, "sepal-width": 3.6, "petal-length": 6.1, "petal-width": 2.5}
-62	{"sepal-length": 5.8, "sepal-width": 2.7, "petal-length": 4.1, "petal-width": 1.0}
-63	{"sepal-length": 6.0, "sepal-width": 3.0, "petal-length": 4.8, "petal-width": 1.8}
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-65	{"sepal-length": 6.9, "sepal-width": 3.2, "petal-length": 5.7, "petal-width": 2.3}
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-67	{"sepal-length": 6.9, "sepal-width": 3.1, "petal-length": 5.4, "petal-width": 2.1}
-68	{"sepal-length": 5.2, "sepal-width": 3.5, "petal-length": 1.5, "petal-width": 0.2}
-69	{"sepal-length": 5.3, "sepal-width": 3.7, "petal-length": 1.5, "petal-width": 0.2}
-70	{"sepal-length": 5.5, "sepal-width": 2.4, "petal-length": 3.8, "petal-width": 1.1}
-71	{"sepal-length": 4.8, "sepal-width": 3.4, "petal-length": 1.9, "petal-width": 0.2}
-72	{"sepal-length": 5.7, "sepal-width": 2.8, "petal-length": 4.1, "petal-width": 1.3}
-73	{"sepal-length": 4.9, "sepal-width": 2.4, "petal-length": 3.3, "petal-width": 1.0}
-74	{"sepal-length": 6.2, "sepal-width": 2.2, "petal-length": 4.5, "petal-width": 1.5}
-75	{"sepal-length": 6.7, "sepal-width": 3.3, "petal-length": 5.7, "petal-width": 2.5}
-76	{"sepal-length": 6.1, "sepal-width": 3.0, "petal-length": 4.6, "petal-width": 1.4}
-77	{"sepal-length": 4.6, "sepal-width": 3.6, "petal-length": 1.0, "petal-width": 0.2}
-78	{"sepal-length": 7.0, "sepal-width": 3.2, "petal-length": 4.7, "petal-width": 1.4}
-79	{"sepal-length": 6.6, "sepal-width": 2.9, "petal-length": 4.6, "petal-width": 1.3}
-80	{"sepal-length": 5.4, "sepal-width": 3.7, "petal-length": 1.5, "petal-width": 0.2}
-81	{"sepal-length": 4.8, "sepal-width": 3.0, "petal-length": 1.4, "petal-width": 0.3}
-82	{"sepal-length": 7.2, "sepal-width": 3.0, "petal-length": 5.8, "petal-width": 1.6}
-83	{"sepal-length": 7.1, "sepal-width": 3.0, "petal-length": 5.9, "petal-width": 2.1}
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-86	{"sepal-length": 7.3, "sepal-width": 2.9, "petal-length": 6.3, "petal-width": 1.8}
-87	{"sepal-length": 6.0, "sepal-width": 2.7, "petal-length": 5.1, "petal-width": 1.6}
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-91	{"sepal-length": 5.0, "sepal-width": 2.3, "petal-length": 3.3, "petal-width": 1.0}
-92	{"sepal-length": 6.9, "sepal-width": 3.1, "petal-length": 5.1, "petal-width": 2.3}
-93	{"sepal-length": 5.7, "sepal-width": 3.0, "petal-length": 4.2, "petal-width": 1.2}
-94	{"sepal-length": 5.1, "sepal-width": 3.8, "petal-length": 1.9, "petal-width": 0.4}
-95	{"sepal-length": 6.0, "sepal-width": 2.9, "petal-length": 4.5, "petal-width": 1.5}
-96	{"sepal-length": 4.8, "sepal-width": 3.4, "petal-length": 1.6, "petal-width": 0.2}
-97	{"sepal-length": 5.2, "sepal-width": 4.1, "petal-length": 1.5, "petal-width": 0.1}
-98	{"sepal-length": 5.6, "sepal-width": 2.9, "petal-length": 3.6, "petal-width": 1.3}
-99	{"sepal-length": 5.8, "sepal-width": 2.6, "petal-length": 4.0, "petal-width": 1.2}
diff --git a/creg/test_data/iris.trainresp b/creg/test_data/iris.trainresp
deleted file mode 100644
index d77bc6a2..00000000
--- a/creg/test_data/iris.trainresp
+++ /dev/null
@@ -1,100 +0,0 @@
-0	Iris-versicolor
-1	Iris-setosa
-2	Iris-setosa
-3	Iris-versicolor
-4	Iris-virginica
-5	Iris-virginica
-6	Iris-versicolor
-7	Iris-virginica
-8	Iris-versicolor
-9	Iris-versicolor
-10	Iris-versicolor
-11	Iris-versicolor
-12	Iris-versicolor
-13	Iris-virginica
-14	Iris-setosa
-15	Iris-setosa
-16	Iris-virginica
-17	Iris-virginica
-18	Iris-setosa
-19	Iris-setosa
-20	Iris-versicolor
-21	Iris-virginica
-22	Iris-virginica
-23	Iris-setosa
-24	Iris-virginica
-25	Iris-setosa
-26	Iris-setosa
-27	Iris-setosa
-28	Iris-versicolor
-29	Iris-versicolor
-30	Iris-setosa
-31	Iris-versicolor
-32	Iris-setosa
-33	Iris-virginica
-34	Iris-setosa
-35	Iris-setosa
-36	Iris-virginica
-37	Iris-virginica
-38	Iris-versicolor
-39	Iris-virginica
-40	Iris-setosa
-41	Iris-virginica
-42	Iris-virginica
-43	Iris-virginica
-44	Iris-setosa
-45	Iris-virginica
-46	Iris-versicolor
-47	Iris-setosa
-48	Iris-setosa
-49	Iris-virginica
-50	Iris-virginica
-51	Iris-virginica
-52	Iris-versicolor
-53	Iris-versicolor
-54	Iris-setosa
-55	Iris-versicolor
-56	Iris-virginica
-57	Iris-setosa
-58	Iris-virginica
-59	Iris-setosa
-60	Iris-versicolor
-61	Iris-virginica
-62	Iris-versicolor
-63	Iris-virginica
-64	Iris-setosa
-65	Iris-virginica
-66	Iris-versicolor
-67	Iris-virginica
-68	Iris-setosa
-69	Iris-setosa
-70	Iris-versicolor
-71	Iris-setosa
-72	Iris-versicolor
-73	Iris-versicolor
-74	Iris-versicolor
-75	Iris-virginica
-76	Iris-versicolor
-77	Iris-setosa
-78	Iris-versicolor
-79	Iris-versicolor
-80	Iris-setosa
-81	Iris-setosa
-82	Iris-virginica
-83	Iris-virginica
-84	Iris-versicolor
-85	Iris-setosa
-86	Iris-virginica
-87	Iris-versicolor
-88	Iris-virginica
-89	Iris-setosa
-90	Iris-setosa
-91	Iris-versicolor
-92	Iris-virginica
-93	Iris-versicolor
-94	Iris-setosa
-95	Iris-versicolor
-96	Iris-setosa
-97	Iris-setosa
-98	Iris-versicolor
-99	Iris-versicolor