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#!/usr/bin/env ruby
require 'csv'
require 'yaml'
results = {}
ARGV.each do |f|
csv = CSV.read(f,headers: false,:col_sep => ",")
tp = csv[0][0].to_f
fp = csv[0][1].to_f
fn = csv[1][0].to_f
tn = csv[1][1].to_f
result = {
:tp => tp.to_i,
:fp => fp.to_i,
:tn => tn.to_i,
:fn => fn.to_i,
:n => (tp+fp+tn+fn).to_i,
:acc => ((tp+tn)/(tp+fp+tn+fn)).round(2),
:tpr => (tp/(tp+fn)).round(2),
:fpr => (fp/(fp+tn)).round(2),
:tnr => (tn/(tn+fp)).round(2),
:ppv => (tp/(tp+fp)).round(2),
:npv => (tn/(tn+fn)).round(2),
:acc_perc => (100*(tp+tn)/(tp+fp+tn+fn)).round(0),
:tpr_perc => (100*tp/(tp+fn)).round(0),
:tnr_perc => (100*tn/(tn+fp)).round(0),
:ppv_perc => (100*tp/(tp+fp)).round(0),
:npv_perc => (100*tn/(tn+fn)).round(0),
}
results[File.basename(f,".csv")] = result
end
puts results.to_yaml
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