statsample

statsample

A suite for basic and advanced statistics on Ruby. Tested on Ruby 1.8.7, 1.9.1, 1.9.2 (April, 2010), ruby-head(June, 2011) 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, with contrasts for 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 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. * Basic time series support * 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 * Graphics: Histogram, Boxplot and Scatterplot

Rubygem statsample

Total Downloads
112294
Releases
40
Current Version
1.3.0
Released
2013-09-20 00:00:00 UTC
First Release
2009-08-03 04:00:00 UTC

Github clbustos/statsample

Watchers
203
Forks
38
Development activity
Inactive
Last commit
2013-12-22 00:11:07 UTC
First commit
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6
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