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module Reports::PredictionUtil
# creates an Array for a table
# * first row: header values
# * other rows: the prediction values
# additional attribute values of the validation that should be added to the table can be defined via validation_attributes
#
# call-seq:
# predictions_to_array(validation_set, validation_attributes=[]) => Array
#
def self.predictions_to_array(validation_set, validation_attributes=[])
res = []
validation_set.validations.each do |v|
(0..v.get_predictions.num_instances-1).each do |i|
a = []
validation_attributes.each{ |att| a.push(v.send(att).to_s) }
#PENDING!
a.push( "http://ambit.uni-plovdiv.bg:8080/ambit2/depict/cdk?search="+URI.encode(OpenTox::Compound.new(:uri=>v.get_predictions.identifier(i)).smiles) )
a.push(v.get_predictions.actual_value(i).to_nice_s)
a.push(v.get_predictions.predicted_value(i).to_nice_s)
a.push(v.get_predictions.classification_miss?(i)?"X":"") if validation_set.all_classification?
a.push(v.get_predictions.confidence_value(i).to_nice_s) if v.get_predictions.confidence_values_available?
a.push(v.get_predictions.identifier(i)) #.gsub(/[-(),=]/, '')[0,10])
res.push(a)
end
end
#res = res.sort{|x,y| y[3] <=> x[3] }
header = [ "compound", "actual value", "predicted value"]
header.push "missclassified" if validation_set.all_classification?
header.push "confidence value" if validation_set.validations[0].get_predictions.confidence_values_available?
header << "compound-uri"
res.insert(0, validation_attributes + header)
#puts res.collect{|c| c.inspect}.join("\n")
return res
end
end
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