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# lib/patches/daru/plotting/svg-graph/category.rb
# NOTE: Code originally from Gruff
# TODO: Tailor the code to SvgGraph
module Daru
module Plotting
module Category
module SvgGraphLibrary
def plot opts={}
type = opts[:type] || :bar
size = opts[:size] || 500
case type
when :bar, :pie, :sidebar
plot = send("category_#{type}_plot".to_sym, size, opts[:method])
else
raise ArgumentError, 'This type of plot is not supported.'
end
yield plot if block_given?
plot
end
private
def category_bar_plot size, method
plot = SvgGraph::Bar.new size
method ||= :count
dv = frequencies(method)
plot.labels = size.times.to_a.zip(dv.index.to_a).to_h
plot.data name || :vector, dv.to_a
plot
end
def category_pie_plot size, method
plot = SvgGraph::Pie.new size
method ||= :count
frequencies(method).each_with_index do |data, index|
plot.data index, data
end
plot
end
def category_sidebar_plot size, method
plot = SvgGraph::SideBar.new size
plot.labels = {0 => (name.to_s || 'vector')}
method ||= :count
frequencies(method).each_with_index do |data, index|
plot.data index, data
end
plot
end
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems