前往链接:
https://cran.r-project.org/web/packages/epicalc/index.html
您将会获取到以下信息:
Package ‘epicalc’ was removed from the CRAN repository.
Formerly available versions can be obtained from the archive.
Archived on 2015-05-12 as requested by the maintainer <cvirasak@medicine.psu.ac.th>.
但是没有进一步的解释。 这似乎是一个开发完善且有用的软件包,那么为什么它被移除了呢?