Various functions for extracting the proportional hazard distribution.
mphdist extracts the hazard distribution.
mphdist.log extracts the log hazard distribution.
mphmoments returns the first and second moments of the hazard distribution.
mphmoments.log returns the first and second moments of the log hazard distribution.
mphcov returns the variance/covariance matrix of the hazard distribution.
mphmedian returns the medians of the hazard distribution.
mphcov.log returns the variance/covariance matrix of the log hazard distribution.