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classifier: add workaround for division by zero

This commit is contained in:
Andrew Dolgov 2015-06-17 19:26:50 +03:00
parent e0ae194ac9
commit 4da0cb323f
1 changed files with 5 additions and 1 deletions
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6
plugins/af_sort_bayes/lib/class.naivebayesian.php
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@ -80,7 +80,11 @@
$scores[$category] = $data['probability']; $scores[$category] = $data['probability'];
// small probability for a word not in the category // small probability for a word not in the category
// maybe putting 1.0 as a 'no effect' word can also be good // maybe putting 1.0 as a 'no effect' word can also be good
$small_proba = 1.0 / ($data['word_count'] * 2);
if ($data['word_count'] > 0)
$small_proba = 1.0 / ($data['word_count'] * 2);
else
$small_proba = 0;
reset($tokens); reset($tokens);