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module OpenTox
module Algorithm
class Regression
def self.weighted_average dependent_variables:, independent_variables:nil, weights:, query_variables:nil
# TODO: prediction_interval
weighted_sum = 0.0
sim_sum = 0.0
dependent_variables.each_with_index do |v,i|
weighted_sum += weights[i]*dependent_variables[i]
sim_sum += weights[i]
end if dependent_variables
sim_sum == 0 ? prediction = nil : prediction = weighted_sum/sim_sum
{:value => prediction}
end
end
end
end
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