Contents

$:.unshift File.expand_path("../../lib", __FILE__)

require 'benchmark'
require 'daru'

data = Daru::DataFrame.from_csv 'TradeoffData.csv'

Benchmark.bm do |x|
  x.report("Single column grouping") do
    @single = data.group_by([:Treatment])
  end

  x.report("Multi-column grouping") do
    @multi = data.group_by([:Group, :Treatment])
  end

  x.report("Single mean") do
    @single.mean
  end

  x.report("Multi mean") do
    @multi.mean
  end
end

#                    ===== Benchmarks =====
# 
#                          user     system      total        real
# Single column grouping 0.000000   0.000000   0.000000   (0.000356)
# Multi-column grouping  0.000000   0.000000   0.000000   (0.000958)
# Single mean            0.000000   0.000000   0.000000   (0.000865)
# Multi mean             0.000000   0.000000   0.000000   (0.002748)

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
daru-0.1.2	benchmarks/group_by.rb
daru-0.1.1	benchmarks/group_by.rb