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Contents
# frozen_string_literal: true
require "spout/models/graphables/default"
require "spout/helpers/array_statistics"
module Spout
module Models
module Graphables
class NumericVsNumeric < Spout::Models::Graphables::Default
def categories
["Quartile One", "Quartile Two", "Quartile Three", "Quartile Four"]
end
def units
@variable.units
end
def series
@stratification_variable.domain.options.collect do |option|
filtered_subjects = filter_and_sort_subjects_by_stratification_option(option)
next if filtered_subjects.size == 0
data = [:quartile_one, :quartile_two, :quartile_three, :quartile_four].collect do |quartile|
array = filtered_subjects.send(quartile).collect(&@variable.id.to_sym)
array_statistics(array)
end
{ name: option.display_name, data: data }
end.compact
end
private
def filter_and_sort_subjects_by_stratification_option(option)
begin
@subjects.select do |s|
s._visit == option.value and s.send(@variable.id) != nil and s.send(@chart_variable.id) != nil
end.sort_by(&@chart_variable.id.to_sym)
rescue
[]
end
end
def array_statistics(array)
{ y: (array.mean.round(1) rescue 0.0),
stddev: ("%0.1f" % array.standard_deviation rescue ""),
median: ("%0.1f" % array.median rescue ""),
min: ("%0.1f" % array.min rescue ""),
max: ("%0.1f" % array.max rescue ""),
n: array.n }
end
end
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems