아무리 해보아도 우류가 발생하여

염치불구 하고 질문을 올려 봅니다.

devtools::install_github("cardiomoon/kormaps2014");

Downloading GitHub repo cardiomoon/kormaps2014@master

from URL https://api.github.com/repos/cardiomoon/kormaps2014/zipball/master

Installing kormaps2014

Installing 1 package: stringi

Installing package into ‘C:/Users/sig70/Documents/R/win-library/3.5’

(as ‘lib’ is unspecified)

  There is a binary version available (and will be installed) but the source version is

  later:

        binary source

stringi  1.1.7  1.2.4

trying URL 'https://cran.rstudio.com/bin/windows/contrib/3.5/stringi_1.1.7.zip'

Content type 'application/zip' length 14368013 bytes (13.7 MB)

downloaded 13.7 MB

package ‘stringi’ successfully unpacked and MD5 sums checked

Warning: cannot remove prior installation of package ‘stringi’

The downloaded binary packages are in

C:\Users\sig70\AppData\Local\Temp\RtmpmoEzg8\downloaded_packages

"C:/PROGRA~1/R/R-35~1.1/bin/x64/R" --no-site-file --no-environ --no-save --no-restore --quiet CMD  \

  INSTALL  \

  "C:/Users/sig70/AppData/Local/Temp/RtmpmoEzg8/devtools3300c8b7a2e/cardiomoon-kormaps2014-873f3c5"  \

  --library="C:/Users/sig70/Documents/R/win-library/3.5" --install-tests 

ERROR: dependency 'stringi' is not available for package 'kormaps2014'

* removing 'C:/Users/sig70/Documents/R/win-library/3.5/kormaps2014'

In R CMD INSTALL

Installation failed: Command failed (1)

위와 같은 오류 Message가 발생 하는데 원인읋 알수 있을까요?

또...

qtm(kormap1)

Error in if (!is.null(u) && crs$units != u) stop(paste0("units ", u, " not recognized: older GDAL version?"),  : 

  missing value where TRUE/FALSE needed

위와 같은 메시지가 나오는데 어떻게 해야 할까용.....?