Error: .onLoad failed in loadNamespace() for 'tcltk', details:

증상

R 코드실행시 다음과 같은 에러발생

Error : .onLoad failed in loadNamespace() for 'tcltk', details: call: dyn.load(file, DLLpath = DLLpath, ...) 
error: unable to load shared object '/usr/lib/R/library/tcltk/libs/tcltk.so': 
libtk8.6.so: cannot open shared object file: No such file or directory Error: package or namespace load failed for ‘tcltk’

원인

다음 패키지를 설치한다.

sudo pacman -S tk