qydlqcwsiacfymissuesapacheorg httpissuesapacheorgspamassassinshow_bugcgiid5686 additional comments user7gvcceaschallengecc 20071022 0710 reply comment 7 2 effect less training data real issue osbf better job tiny amounts training existing bayes impl results weekends testing ran 10fold crossvalidation driver learnprob 01 randseed 23 ie train 10 messages got histograms svn trunk threshold optimization hamcutoff030 spamcutoff070 cost25230 total hamspam 1976418144 fp 0 0000 fn 155 0854 unsure 973 2567 ham 24 0121 spam 949 5230 tcrs l1 16435 l5 16435 l9 16435 summary 030070 fp 0 fn 155 uh 24 us 949 c 25230 score numhit detail overall histogram ham spam 0000 99676 0000 0645 0040 0040 0040 0055 0080 0040 0080 0022 0120 0030 0120 0050 0160 0035 0160 0022 0200 0040 0200 0028 0240 0015 0240 0033 0280 0020 0280 0077 0320 0015 0320 0061 0360 0015 0360 0044 0400 0015 0400 0121 0440 0035 0440 0198 0480 0020 0480 3919 0520 0314 0560 0165 0600 0149 0640 0077 0680 0215 0720 0116 0760 0116 0800 0171 0840 0121 0880 0193 0920 0336 0960 92752 osbf eddc score numhit detail overall histogram ham spam 0000 4007 0040 3177 0080 18787 0120 28415 0160 17588 0160 0006 0200 11369 0200 0011 0240 7357 0240 0022 0280 4574 0280 0033 0320 3046 0320 0127 0360 1184 0360 0303 0400 0233 0400 0733 0440 0046 0440 0424 0480 0207 0480 1560 0520 0010 0520 1036 0560 1565 0600 1984 0640 5958 0680 20993 0720 36795 0760 25143 0800 3213 0840 0083 0960 0011 thresholds report looks like threshold optimization hamcutoff030 spamcutoff070 cost58300 total hamspam 1976418144 fp 0 0000 fn 7 0039 unsure 5760 15195 ham 1838 9300 spam 3922 21616 tcrs l1 4618 l5 4618 l9 4618 summary 030070 fp 0 fn 7 uh 1838 us 3922 c 58300 thats unfair 070 see histogram right middle ham 056 would better threshold optimization hamcutoff038 spamcutoff056 cost23480 total hamspam 1976418144 fp 0 0000 fn 55 0303 unsure 899 2372 ham 182 0921 spam 717 3952 tcrs l1 23503 l5 23503 l9 23503 guess good stellar receiving mail assignee bug watching assignee wed 06 aug 2008 143616 0700 bug 5686 add osbfwinnow alternative bayes