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Analyzed 1 day ago. based on code collected 2 days ago.
Aug 20, 2025 — Aug 20, 2026
Commit Message Contributor Files Modified Lines Added Lines Removed Code Location Date
Vectors imported from a excel or a plain text have name equal to field name
Claudio Bustos
More... almost 16 years ago
* Statsample::Excel add name to vectors equal to field name * Statsample::Dataset.delete_vector accept multiple fields. Statsample::Dataset.dup_only_valid allows duplication of specific fields * ScaleAnalysis doesn't crash on one-item scales * Updated references
Claudio Bustos
More... almost 16 years ago
Updated to 0.15.0
Claudio Bustos
More... almost 16 years ago
Complete ICC support
Claudio Bustos
More... almost 16 years ago
Updated ICC tests.Updated references. Added grab_references.rb script, to create a list of references for library
Claudio Bustos
More... almost 16 years ago
Updated manifest and readme. test_bivariate updated to shoulda syntax
clbustos
More... almost 16 years ago
Correct ICC implementation according to Shrout and Fliess - rest to implement McGrawn formulas. Added Spearman-Brown prophecy on Reliability module
Claudio Bustos
More... almost 16 years ago
Distribution F uses Gsl when available
clbustos
More... almost 16 years ago
Added mean r.p.b. and item sd for Scale Analysis
Claudio Bustos
More... almost 16 years ago
Corrected bug on Vector.ary_method and example of Anova Two Way using vector. Added class Statsample::Reliability::ICC for calculation of Intra-class correlation. Almost operational, only fails on confidence interval for ICC(2,1)
Claudio Bustos
More... almost 16 years ago
Update version to 0.14.1. Updated Parallel Analysis, MAP and complete support for revision of correlation matrix before Factor Analysis
Claudio Bustos
More... about 16 years ago
Added extra information on =true. Changed ParallelAnalysis: with_random_data parameters, bootstrap_method options are data and random, resolve bug related to number of factors to preserve, resolved bug related to original eigenvalues, can support failed bootstrap of data for Tetrachoric correlation. Optimized eigenpairs on Matrix when GSL is available. Added test for parallel analysis using data bootstraping
Claudio Bustos
More... about 16 years ago
Updated .pot and Manifest.txt
Claudio Bustos
More... about 16 years ago
Added test for kmo(global and univariate), bartlett and anti-image. Kmo and Bartlett have test based on Dziuban and Shirkey with correct results
Claudio Bustos
More... about 16 years ago
Complete set of test to test if a correlation matrix is appropriate for factor analysis: test of sphericity, KMO and anti-image (see Dziuban and Shirkey, 1974)
Claudio Bustos
More... about 16 years ago
Complete set of test to test if a correlation matrix is appropriate for factor analysis: test of sphericity, KMO and anti-image (see Dziuban and Shirkey, 1974)
Claudio Bustos
More... about 16 years ago
Updated Parallel Analysis to work on Principal Axis Analysis based on O'Connors formulae
Claudio Bustos
More... about 16 years ago
Added reference for Statsample::Factor::MAP
Claudio Bustos
More... about 16 years ago
Updated History, version number on file for new version update
Claudio Bustos
More... about 16 years ago
* Added Statsample::Factor::MAP, to execute Velicer's (1976) MAP to determine the number of factors to retain on EFA * Support for pure random data simulation on Statsample::Factor::ParallelAnalysis * Bug fix on test suite on Ruby 1.8.7
Claudio Bustos
More... about 16 years ago
Horn's Parallel Analysis operational and tested for pure random data
Claudio Bustos
More... about 16 years ago
Fixed bug on Excel writer on Ruby1.9 (frozen string on header raises an error). Extra information on Factorial Analysis on summaries
Claudio Bustos
More... about 16 years ago
Fixed bug on Rotation when used ::Matrix without field method. Added Vector#vector_percentil method
Claudio Bustos
More... about 16 years ago
Summaries for PCA, Rotation, MultiScale and ScaleAnalysis improved. Added summary for Factor::Rotation Factor::PCA could have rotation and parallel analysis on summary. Cronbach's alpha from covariance matrix raise an error on size<2 MultiScaleAnalysis could have Parallel Analysis on summary.
Claudio Bustos
More... about 16 years ago
Added Chi Square test
clbustos
More... about 16 years ago
Added information on README.txt
Claudio Bustos
More... about 16 years ago
History and Manifest updated
Claudio Bustos
More... about 16 years ago
Rserve extensions for dataset and vector operational
Claudio Bustos
More... about 16 years ago
On x86_64, variance from gsl is not exactly equal to sum of variance-covariance on Statsample::Reliability::Scale, but in delta 1e-10
Claudio Bustos
More... about 16 years ago
Merge remote branch 'origin/master'
Claudio Bustos
More... about 16 years ago