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diff --git a/data/mushroom/agaricus-lepiota.names b/data/mushroom/agaricus-lepiota.names new file mode 100644 index 0000000..4f1f3b5 --- /dev/null +++ b/data/mushroom/agaricus-lepiota.names @@ -0,0 +1,148 @@ +1. Title: Mushroom Database + +2. Sources: + (a) Mushroom records drawn from The Audubon Society Field Guide to North + American Mushrooms (1981). G. H. Lincoff (Pres.), New York: Alfred + A. Knopf + (b) Donor: Jeff Schlimmer (Jeffrey.Schlimmer@a.gp.cs.cmu.edu) + (c) Date: 27 April 1987 + +3. Past Usage: + 1. Schlimmer,J.S. (1987). Concept Acquisition Through Representational + Adjustment (Technical Report 87-19). Doctoral disseration, Department + of Information and Computer Science, University of California, Irvine. + --- STAGGER: asymptoted to 95% classification accuracy after reviewing + 1000 instances. + 2. Iba,W., Wogulis,J., & Langley,P. (1988). Trading off Simplicity + and Coverage in Incremental Concept Learning. In Proceedings of + the 5th International Conference on Machine Learning, 73-79. + Ann Arbor, Michigan: Morgan Kaufmann. + -- approximately the same results with their HILLARY algorithm + 3. In the following references a set of rules (given below) were + learned for this data set which may serve as a point of + comparison for other researchers. + + Duch W, Adamczak R, Grabczewski K (1996) Extraction of logical rules + from training data using backpropagation networks, in: Proc. of the + The 1st Online Workshop on Soft Computing, 19-30.Aug.1996, pp. 25-30, + available on-line at: http://www.bioele.nuee.nagoya-u.ac.jp/wsc1/ + + Duch W, Adamczak R, Grabczewski K, Ishikawa M, Ueda H, Extraction of + crisp logical rules using constrained backpropagation networks - + comparison of two new approaches, in: Proc. of the European Symposium + on Artificial Neural Networks (ESANN'97), Bruge, Belgium 16-18.4.1997, + pp. xx-xx + + Wlodzislaw Duch, Department of Computer Methods, Nicholas Copernicus + University, 87-100 Torun, Grudziadzka 5, Poland + e-mail: duch@phys.uni.torun.pl + WWW http://www.phys.uni.torun.pl/kmk/ + + Date: Mon, 17 Feb 1997 13:47:40 +0100 + From: Wlodzislaw Duch <duch@phys.uni.torun.pl> + Organization: Dept. of Computer Methods, UMK + + I have attached a file containing logical rules for mushrooms. + It should be helpful for other people since only in the last year I + have seen about 10 papers analyzing this dataset and obtaining quite + complex rules. We will try to contribute other results later. + + With best regards, Wlodek Duch + ________________________________________________________________ + + Logical rules for the mushroom data sets. + + Logical rules given below seem to be the simplest possible for the + mushroom dataset and therefore should be treated as benchmark results. + + Disjunctive rules for poisonous mushrooms, from most general + to most specific: + + P_1) odor=NOT(almond.OR.anise.OR.none) + 120 poisonous cases missed, 98.52% accuracy + + P_2) spore-print-color=green + 48 cases missed, 99.41% accuracy + + P_3) odor=none.AND.stalk-surface-below-ring=scaly.AND. + (stalk-color-above-ring=NOT.brown) + 8 cases missed, 99.90% accuracy + + P_4) habitat=leaves.AND.cap-color=white + 100% accuracy + + Rule P_4) may also be + + P_4') population=clustered.AND.cap_color=white + + These rule involve 6 attributes (out of 22). Rules for edible + mushrooms are obtained as negation of the rules given above, for + example the rule: + + odor=(almond.OR.anise.OR.none).AND.spore-print-color=NOT.green + + gives 48 errors, or 99.41% accuracy on the whole dataset. + + Several slightly more complex variations on these rules exist, + involving other attributes, such as gill_size, gill_spacing, + stalk_surface_above_ring, but the rules given above are the simplest + we have found. + + +4. Relevant Information: + This data set includes descriptions of hypothetical samples + corresponding to 23 species of gilled mushrooms in the Agaricus and + Lepiota Family (pp. 500-525). Each species is identified as + definitely edible, definitely poisonous, or of unknown edibility and + not recommended. This latter class was combined with the poisonous + one. The Guide clearly states that there is no simple rule for + determining the edibility of a mushroom; no rule like ``leaflets + three, let it be'' for Poisonous Oak and Ivy. + +5. Number of Instances: 8124 + +6. Number of Attributes: 22 (all nominally valued) + +7. Attribute Information: (classes: edible=e, poisonous=p) + 1. cap-shape: bell=b,conical=c,convex=x,flat=f, + knobbed=k,sunken=s + 2. cap-surface: fibrous=f,grooves=g,scaly=y,smooth=s + 3. cap-color: brown=n,buff=b,cinnamon=c,gray=g,green=r, + pink=p,purple=u,red=e,white=w,yellow=y + 4. bruises?: bruises=t,no=f + 5. odor: almond=a,anise=l,creosote=c,fishy=y,foul=f, + musty=m,none=n,pungent=p,spicy=s + 6. gill-attachment: attached=a,descending=d,free=f,notched=n + 7. gill-spacing: close=c,crowded=w,distant=d + 8. gill-size: broad=b,narrow=n + 9. gill-color: black=k,brown=n,buff=b,chocolate=h,gray=g, + green=r,orange=o,pink=p,purple=u,red=e, + white=w,yellow=y + 10. stalk-shape: enlarging=e,tapering=t + 11. stalk-root: bulbous=b,club=c,cup=u,equal=e, + rhizomorphs=z,rooted=r,missing=? + 12. stalk-surface-above-ring: fibrous=f,scaly=y,silky=k,smooth=s + 13. stalk-surface-below-ring: fibrous=f,scaly=y,silky=k,smooth=s + 14. stalk-color-above-ring: brown=n,buff=b,cinnamon=c,gray=g,orange=o, + pink=p,red=e,white=w,yellow=y + 15. stalk-color-below-ring: brown=n,buff=b,cinnamon=c,gray=g,orange=o, + pink=p,red=e,white=w,yellow=y + 16. veil-type: partial=p,universal=u + 17. veil-color: brown=n,orange=o,white=w,yellow=y + 18. ring-number: none=n,one=o,two=t + 19. ring-type: cobwebby=c,evanescent=e,flaring=f,large=l, + none=n,pendant=p,sheathing=s,zone=z + 20. spore-print-color: black=k,brown=n,buff=b,chocolate=h,green=r, + orange=o,purple=u,white=w,yellow=y + 21. population: abundant=a,clustered=c,numerous=n, + scattered=s,several=v,solitary=y + 22. habitat: grasses=g,leaves=l,meadows=m,paths=p, + urban=u,waste=w,woods=d + +8. Missing Attribute Values: 2480 of them (denoted by "?"), all for + attribute #11. + +9. Class Distribution: + -- edible: 4208 (51.8%) + -- poisonous: 3916 (48.2%) + -- total: 8124 instances |