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app/services/statistics.rb

Summary

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A
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Complex method Statistics::variance (20.1)
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  def self.variance(enumerable, sample_size = enumerable.size)
    slice = slice_to_sample_size(enumerable, sample_size)
    total = slice.size > 1 && (total(slice) < total(enumerable)) ? total(slice) - 1 : sample_size
    mean  = mean(slice)
    sum(slice.map { |sample| (mean - sample)**2 }) / total
Severity: Minor
Found in app/services/statistics.rb by flog

Flog calculates the ABC score for methods. The ABC score is based on assignments, branches (method calls), and conditions.

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