Baum Welch training for HMMs

1 files changed, 9 insertions, 0 deletions

diff --git a/training/crf/baum_welch_example/random_init.pl b/training/crf/baum_welch_example/random_init.pl
new file mode 100755
index 00000000..98467ed1
--- /dev/null
+++ b/training/crf/baum_welch_example/random_init.pl
@@ -0,0 +1,9 @@
+#!/usr/bin/perl -w
+while(<>) {
+  chomp;
+  my ($a,$b,@d) =split /\s+/;
+  die "Bad input" if scalar @d > 0;
+  $r = -rand() * rand() - 0.5;
+  $r = 0 if $a =~ /^Uni:/;
+  print "$a $r\n";
+}