Distribution Parametrization STATA, SAS and R

TreeAge Software Inc. in collaboration with Department of Mathematics & Statistics of Williams College, Williamstown, MA created a reference document describing corresponding parametrization of selected distributions between TreeAge Pro, STATA, SAS and R.

Please click here to download the PDF document.

For users of R survival analysis packages SURVREG and FLEXSURVREG please click here for specific parameterization examples.