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statsample

0.11.0

A suite for basic and advanced statistics on Ruby. Tested on Ruby 1.8.7, 1.9.1, 1.9.2 (April, 2010) and JRuby 1.4 (Ruby 1.8.7 compatible). Include: * Descriptive statistics: frequencies, median, mean, standard error, skew, kurtosis (and many others). * Imports and exports datasets from and to Excel, CSV and plain text files. * Correlations: Pearson's r, Spearman's rank correlation (rho), Tetrachoric, Polychoric. * Anova: generic and vector-based One-way ANOVA * Tests: F, T, Levene, U-Mannwhitney. * Regression: Simple, Multiple (OLS), Probit and Logit * Factorial Analysis: Extraction (PCA and Principal Axis), Rotation (Varimax, Equimax, Quartimax) and Parallel Analysis, for estimation of number of factors. * Dominance Analysis, with multivariate dependent and bootstrap (Azen & Budescu) * Sample calculation related formulas * Creates reports on text, html and rtf, using ReportBuilder gem

installgem install statsample -v 0.11.0
Authors

Claudio Bustos

123,667 total downloads 1,156 for this version
Owners

01a60a1c75e2260f04eb9ae7d332f8a3Fc779573e9087a3b7e83ae78a6214b25

Gemfile
gem 'statsample', '~> 0.11.0'
Versions
  1. 1.3.1 June 26, 2014 (263 KB)
  2. 1.3.0 September 20, 2013 (265 KB)
  3. 1.2.0 December 15, 2011 (268 KB)
  4. 1.1.0 June 2, 2011 (261 KB)
  5. 1.0.1 January 28, 2011 (257 KB)
Show all versions (42 total)
Development Dependencies
  1. hoe >= 2.6.0
  2. rubyforge >= 2.0.4