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statsample 0.16.0

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), point biserial, tau a, tau b and gamma. Tetrachoric and Polychoric correlation provides by +statsample-bivariate-extension+ gem. * Intra-class correlation * Anova: generic and vector-based One-way ANOVA and Two-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 and Velicer's MAP test, for estimation of number of factors. * Reliability analysis for simple scale and a DSL to easily analyze multiple scales using factor analysis and correlations, if you want it. * Dominance Analysis, with multivariate dependent and bootstrap (Azen & Budescu) * Sample calculation related formulas * Structural Equation Modeling (SEM), using R libraries +sem+ and +OpenMx+ * Creates reports on text, html and rtf, using ReportBuilder gem

Versions:

  1. 1.4.2 - April 7, 2015 (236 KB)
  2. 1.4.1 - March 26, 2015 (237 KB)
  3. 1.4.0 - October 11, 2014 (251 KB)
  4. 1.3.1 - June 26, 2014 (263 KB)
  5. 1.3.0 - September 20, 2013 (265 KB)
Show all versions (45 total)

Authors:

  • Claudio Bustos

Owners:

01a60a1c75e2260f04eb9ae7d332f8a3Fc779573e9087a3b7e83ae78a6214b25Adf7d4a2a49161a48ca1863a49f8af37

Sha 256 checksum:

9ebe16643fedf4a9286b990e942af5439ea21243b5a2e62e2a3c36e4c0471a9d

Total downloads 147,924

For this version 4,597

Show all versions (45 total)

Required Ruby Version: None

Licenses:

N/A

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