---
title: "version"
output: rmarkdown::html_vignette
vignette: >
  %\VignetteIndexEntry{version}
  %\VignetteEngine{knitr::rmarkdown}
  %\VignetteEncoding{UTF-8}
---

# V1
## 2020-07-26
### This is the first version. We provide lm2ols(), ols2lm(),  logit2lrm(), lrm2logit(), coxph2cph() and cph2coxph()