為什么library(caret)不能實現
為什么我按她的方法顯示的卻是這種情況
qq_當女孩遇到熊_04062007
2016-10-10
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2016-10-11
你要確保caret這個包已正確安裝才能實現library這一步
2018-05-05
請問這個問題怎么辦？
installing the source package ‘stringi’
trying URL 'http://cran.rstudio.com/src/contrib/stringi_1.2.2.tar.gz'
Content type 'application/x-gzip' length 7270627 bytes (6.9 MB)
downloaded 6.9 MB
* installing *source* package 'stringi' ...
** 成功將'stringi'程序包解包并MD5和檢查
Warning in system("sh ./configure.win") : 'sh' not found
ERROR: configuration failed for package 'stringi'
* removing 'D:/program files/R language/R-3.5.0/library/stringi'
In R CMD INSTALL
Warning in install.packages :
? installation of package ‘stringi’ had non-zero exit status
The downloaded source packages are in
‘C:\Users\Michael\AppData\Local\Temp\RtmpQXf6bD\downloaded_packages’