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Diffstat (limited to 'lib/algorithm.rb')
| -rw-r--r-- | lib/algorithm.rb | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/lib/algorithm.rb b/lib/algorithm.rb deleted file mode 100644 index fb47385..0000000 --- a/lib/algorithm.rb +++ /dev/null @@ -1,30 +0,0 @@ -=begin -* Name: algorithm.rb -* Description: General algorithms -* Author: Andreas Maunz <andreas@maunz.de> -* Date: 10/2012 -=end - -module OpenTox - class Algorithm - - # Minimum Frequency - # @param [Integer] per-mil value - # return [Integer] min-frequency - def self.min_frequency(training_dataset,prediction_feature,per_mil) - nr_labeled_cmpds=0 - f_idx=training_dataset.features.collect{|f| f.uri}.index prediction_feature.uri - training_dataset.compounds.each_with_index { |cmpd, c_idx| - if ( training_dataset.data_entries[c_idx] ) - unless training_dataset.data_entries[c_idx][f_idx].nil? - nr_labeled_cmpds += 1 - end - end - } - minfreq = per_mil * nr_labeled_cmpds.to_f / 1000.0 # AM sugg. 8-10 per mil for BBRC, 50 per mil for LAST - minfreq = 2 unless minfreq > 2 - Integer (minfreq) - end - - end -end |