* installing *source* package 'OPCreg' ...
** this is package 'OPCreg' version '0.1'
** using staged installation
** R
Warning: file 'IPCR.R' is invalid UTF-8
Warning: file 'PCR.R' is invalid UTF-8
Warning: file 'PPCR.R' is invalid UTF-8
Warning: file 'SPCR.R' is invalid UTF-8
Warning: invalidly encoded .R file(s)
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** testing if installed package can be loaded from temporary location
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (OPCreg)