通过conda安装纯净环境的Logistic分析包

https://xianxiongma.github.io/Clinical-model/chapter2/chapter2.html

• conda create -n logistic -c conda-forge r-base=4.1.2
• conda activate logistic
• conda install -c conda-forge r-irkernel=1.3
• conda install -c conda-forge r-foreign=0.8_82
• conda install -c conda-forge r-mass=7.3_55
• conda install -c conda-forge r-hmisc=4.6_0
• conda install -c conda-forge r-reshape2=1.4.4