Hirokazu SUZUKI heronshoes

💭

☕ Uganda, Mt. Elgon, naturally processed

Agrestal Rubyist. Laser device engineer, in the areas of thermal analysis, multiphysical simulation and human color vision.

zverok / good_data_frame.rb

Last active September 8, 2022 03:34

	# It is show-the-point demo for my article
	# "On DataFrame datatype in Ruby" http://zverok.github.io/blog/2016-01-10-dataframe.html

	require 'good_data_frame' # `require': cannot load such file -- good_data_frame (LoadError)

	# Initialization (with default index): hashes of column: values
	# Values of each column are homogenous
	# First and most important thing is "what columns is"
	table = GDF.new(
	manager: ['Tom', 'Jerry', 'Magda'],