A pure Ruby implementation of a useful subset of Prolog.

Sass compiler and Sinatra routing for SassMeister.com

Map helper functions for Sass 3.3 Maps including get-deep and set/set-deep

SparkleFormation CLI

A suite for basic and advanced statistics on Ruby. Tested on CRuby 1.9.3, 2.0.0 and 2.1.1. See `.travis.yml` for more information. Include: - Descriptive statistics: frequencies, median, mean, standard error, skew, kurtosis (and many others). - 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. - 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.

Utility function to efficiently merge Tailwind CSS classes without style conflicts.

Testcontainers makes it easy to create and clean up container-based dependencies for automated tests.

Testcontainers makes it easy to create and clean up container-based dependencies for automated tests.

The #step DSL for Trailblazer activities.

Macros for Trailblazer's operation

An easy to use, high-performance, flexible and extensible metadata transformation system, focused on library-archives-museums input, and indexing to Solr as output.

Each Rack request eats up time, objects, and GC. Report usage to logs and StatsD.

Select test cases to run based on changes in committed code

uffizzi-cli

Like FileUtils, but provides zip, unzip, bzip2, bunzip2, tar, untar, sed, du, md5sum, shasum, cut, head, tail, wc, unix2dos, dos2unix, iconv, curl, perl, etc.

Shopify Experiments classes

Query Vertica with ruby

Rails way to harness the power of SQL "EXISTS" statement

Simple, dependency-free Wilson score

Wolverine provides a simple way to run server-side redis scripts from a rails app