ํจํค์ง ๋ฑ๋ก๊ด๋ จ์ง๋ฌธ
Warning in install.packages : unable to access index for repository https://cran.rstudio.com/src/contrib: cannot open URL 'https://cran.rstudio.com/src/contrib/PACKAGES' Warning in install.packages : package โresahpe2โ is not available (for R version 3.6.0) Warning in install.packages : unable to access index for repository https://cran.rstudio.com/bin/windows/contrib/3.6: cannot open URL 'https://cran.rstudio.com/bin/windows/contrib/3.6/PACKAGES' ์ด๋ฐ ๋ฌธ๊ตฌ๊ฐ ์ฝ์์ฐฝ์ ๋น๋๋ค..
