我在 R 中安装了“digest”包。
> install.packages("digest")
Installing package into ‘C:/Users/user/Documents/R/win-library/3.3’
(as ‘lib’ is unspecified)
trying URL 'https://mran.microsoft.com/snapshot/2017-03-15/bin/windows/contrib/3.3/digest_0.6.12.zip'
Content type 'application/zip' length 172746 bytes (168 KB)
downloaded 168 KB
package ‘digest’ successfully unpacked and MD5 sums checked
Warning in install.packages :
cannot remove prior installation of package ‘digest’
The downloaded binary packages are in
C:\Users\user\AppData\Local\Temp\RtmpaMPhK6\downloaded_packages
我确认该软件包安装在：
C:\Program Files\R\R-3.3.2\library\digest
我的仓库是：
getOption("repos")
CRAN CRANextra
"https://mran.microsoft.com/snapshot/2017-03-15" "http://www.stats.ox.ac.uk/pub/RWin"
然后我想安装“kableExtra”包。但我收到一条错误消息，表明没有“摘要”：
> library(kableExtra)
Error in loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]]) :
there is no package called ‘digest’
Error: package or namespace load failed for ‘kableExtra’
怎么了？这是因为原始库来自 CRAn，但由于某种原因这个“摘要”包来自 MRAN？我怎样才能解决这个问题？
None
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