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Contents
# frozen_string_literal: true
require 'spout/models/graphables/default'
module Spout
module Models
module Graphables
# Generates data for variable histograms
class Histogram < Spout::Models::Graphables::Default
def title
@variable.display_name
end
def categories
if @variable.type == 'choices'
filtered_domain_options(@variable).collect(&:display_name)
else
@buckets.collect(&:display_name)
end
end
def units
'Subjects'
end
def series
@chart_variable.domain.options.collect do |option|
visit_subjects = @subjects.select{ |s| s.send(@chart_variable.id) == option.value && !s.send(@variable.id).nil? && !s.send(@variable.id).is_a?(Spout::Models::Empty) } rescue visit_subjects = []
visit_subject_values = visit_subjects.collect(&@variable.id.to_sym).sort # rescue visit_subject_values = []
next unless visit_subject_values.size > 0
data = []
if @variable.type == 'choices'
data = filtered_domain_options(@variable).collect do |o|
visit_subject_values.select { |v| v == o.value }.count
end
else
visit_subject_values.group_by { |v| get_bucket(v) }.each do |key, values|
data[categories.index(key)] = values.count if categories.index(key)
end
end
{ name: option.display_name, data: data }
end.compact
end
def x_axis_title
@variable.units
end
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems