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Diffstat (limited to 'lib/similarity.rb')
| -rw-r--r-- | lib/similarity.rb | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/similarity.rb b/lib/similarity.rb index 772e812..0901936 100644 --- a/lib/similarity.rb +++ b/lib/similarity.rb @@ -19,6 +19,10 @@ module OpenTox ( fingerprints[0] & fingerprints[1]).size/(fingerprints[0]|fingerprints[1]).size.to_f end + #def self.weighted_tanimoto fingerprints + #( fingerprints[0] & fingerprints[1]).size/(fingerprints[0]|fingerprints[1]).size.to_f + #end + def self.euclid scaled_properties sq = scaled_properties[0].zip(scaled_properties[1]).map{|a,b| (a - b) ** 2} Math.sqrt(sq.inject(0) {|s,c| s + c}) |