gmodels

Tools for fitting linear models that complement those in base R.

Provided functions include:

ci - Compute Confidence Intervals
coefFrame - Return model parameters in a data frame
CrossTable - Cross Tabulation with Tests for Factor Independence
estimable - Compute contrasts and estimable linear functions
fast.prcomp - Efficient computation of principal components and singular value decomposition
fit.contrast - Compute and test arbitrary contrasts for regression objects
glh.test - Test a General Linear Hypothesis for a Regression Model
make.contrasts - Construct a User-Specified Contrast Matrix

Installation

Install the released version of gmodels from CRAN with:

install.packages('gmodels')

Install the development version of gmodels from GitHub with:

# install.packages("devtools")
devtools::install_github("r-gregmisc/gmodels")