## Fail to install 'ivivc' package for R [R for BE/BA]

» Try to run install.packages("RGkt2") under R console as system administrator. Then show me the error messages. Thanks.

I got this..

--- Please select a CRAN mirror for use in this session --- ( i select first one, cloud)
Warning message: package ‘RGkt2’ is not available (for R version 4.0.2)