Mailing List Archive

Author: duncf
Date: Fri Dec 8 17:52:13 2006
New Revision: 484893

URL: http://svn.apache.org/viewvc?view=rev&rev=484893
Log:
Document perceptron

Added:
spamassassin/trunk/masses/perceptron.pod

Added: spamassassin/trunk/masses/perceptron.pod
URL: http://svn.apache.org/viewvc/spamassassin/trunk/masses/perceptron.pod?view=auto&rev=484893
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--- spamassassin/trunk/masses/perceptron.pod (added)
+++ spamassassin/trunk/masses/perceptron.pod Fri Dec 8 17:52:13 2006
@@ -0,0 +1,30 @@
+=head1 NAME
+
+perceptron - Generate scores for SpamAssassin using the "Stochastic
+Gradient Method"
+
+=head1 SYNOPSIS
+
+perceptron [options]
+
+ Options:
+ -p ham_preference Modifies tendency to prefer false negatives over
+ false positives (default 2.0) (higher = less fp)
+ -e num_epochs Set number of passes to make (default 15)
+ -l learning_rate Modifies learning rate (default 2.0)
+ -t threshold Minimum threshold for spam (default 5.0)
+ -w weight_decay Scores multiplied by this value after each pass
+ to prevent scores from getting too high
+ (default off (1.0))
+
+=head1 DESCRIPTION
+
+B<perceptron> is used to optimize the SpamAssassin scores. The output
+of B<logs-to-c> is compiled into the perceptron which is then run to
+generate scores.
+
+=head1 SEE ALSO
+
+L<logs-to-c(1)>
+
+=cut