Greg-package            Regression Helper Functions
addNonlinearity         Add a nonlinear function to the model
caDescribeOpts          A function for gathering all the description
                        options
confint.ols             A 'confint' function for the 'ols'
confint_robust          The confint function adapted for vcovHC
forestplotCombineRegrObj
                        Compares different scores in different
                        regression objects.
forestplotRegrObj       Forest plot for multiple models
isFitCoxPH              Functions for checking regression type
plotHR                  Plot a spline in a Cox regression model
robcov_alt              Robust covariance matrix based upon the
                        'sandwich'-package
timeSplitter            A function for splitting a time according to
                        time periods
