>library(caret)
載入需要的程輯包:lattice載入需要的程輯包:ggplot2Error:?package?or?namespace?load?failed?for?‘caret’?in?loadNamespace(j?<-?i[[1L]],?c(lib.loc,?.libPaths()),?versionCheck?=?vI[[j]]):
?載入了名字空間‘tibble’?1.4.2,但需要的是>=?2.0.0In?addition:?Warning?messages:1:?程輯包‘caret’是用R版本3.5.3?來建造的?
2:?程輯包‘lattice’是用R版本3.5.3?來建造的?
3:?程輯包‘ggplot2’是用R版本3.5.3?來建造的?
>install.packages("lattice")
trying?URL?'https://mirrors.tuna.tsinghua.edu.cn/CRAN/bin/windows/contrib/3.5/lattice_0.20-38.zip'Content?type?'application/zip'?length?1160093?bytes?(1.1?MB)downloaded?1.1?MBpackage?‘lattice’?successfully?unpacked?and?MD5?sums?checked
Warning?in?install.packages?:
??cannot?remove?prior?installation?of?package?‘lattice’
The?downloaded?binary?packages?are?in
C:\Users\DELL\AppData\Local\Temp\Rtmp4aqJBf\downloaded_packages
>?install.packages("ggplot2")
trying?URL?'https://mirrors.tuna.tsinghua.edu.cn/CRAN/bin/windows/contrib/3.5/ggplot2_3.1.1.zip'Content?type?'application/zip'?length?3622933?bytes?(3.5?MB)downloaded?3.5?MBpackage?‘ggplot2’?successfully?unpacked?and?MD5?sums?checked
The?downloaded?binary?packages?are?in
C:\Users\DELL\AppData\Local\Temp\Rtmp4aqJBf\downloaded_packages
>?library(caret)
Error:?找不到‘caret’所需要的程輯包‘lattice’In?addition:?Warning?messages:1:?程輯包‘caret’是用R版本3.5.3?來建造的?
2:?In?read.dcf(file.path(p,?"DESCRIPTION"),?c("Package",?"Version"))?:??cannot?open?compressed?file?'E:/R.SSS/R-3.5.1/library/lattice/DESCRIPTION',?probable?reason?'No?such?file?or?directory'