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26 lines
629 B
Ruby
26 lines
629 B
Ruby
# frozen_string_literal: true
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module YouPlot
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# plotting functions.
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module Backends
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module Processing
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module_function
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def count_values(arr, tally: true)
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# tally was added in Ruby 2.7
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if tally && Enumerable.method_defined?(:tally)
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arr.tally
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else
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# value_counts Enumerable::Statistics
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arr.value_counts(dropna: false)
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end
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.sort { |a, b| a[1] <=> b[1] }
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.reverse
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.transpose
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# faster than `.sort_by{|a| a[1]}`, `.sort_by(a:last)`
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# `.sort{ |a, b| -a[1] <=> -b[1] }
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end
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end
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end
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end
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