statsample-bivariate-extension
DESCRIPTION:
Provides advanced bivariate statistics:
- Tetrachoric correlation
- Polychoric correlation
FEATURES/PROBLEMS:
- Statsample::Bivariate::Polychoric class provides polychoric correlation
- Statsample::Bivariate::Tetrachoric class provides tetrachoric correlation
SYNOPSIS:
Tetrachoric correlation
require 'statsample'
a=40
b=10
c=20
d=30
tetra=Statsample::Bivariate::Tetrachoric.new(a,b,c,d)
puts tetra.summary
Polychoric correlation
require 'statsample'
ct=Matrix[[58,52,1],[26,58,3],[8,12,9]]
poly=Statsample::Bivariate::Polychoric.new(ct)
puts poly.summary
REQUIREMENTS:
- Statsample
INSTALL:
This gem is a statsample dependency. If you want to install it separatly
- gem install statsample-bivariate-extension
LICENSE:
BSD 2-Clause (see LICENSE.txt)