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2013 Jul 11
0
[R-pkgs] Major Update to rms package
...families (one being the logistic, for proportional odds models) and is meant for continuous Y. Sparse matrix operations (helped greatly by the SparseM package) allows thousands of intercepts to be fitted when there are thousands of unique Y values. New function generators Mean, Quantile, and ExProb (exceedance probability distribution) have been added. A detailed case study is in http://biostat.mc.vanderbilt.edu/CourseBios330 Chapter 15. Ordinal regression is now a direct competitor to linear models, and far more robust, even allowing spikes in the distribution of Y. * More generalit...