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330255
2020 Feb 26
1
library ( vctrs ) + library ( ggplot2 )
Hi i need use these 2 librarys? ( vctrs ) and ( ggplot2 ) , and the 2 librarys are installed in my Rstudio?
RStudio
Version 1.2.5033
? 2009-2019 RStudio, Inc.
"Orange Blossom" (330255dd, 2019-12-04)
but i got all times thesse messages....please help-me...thanks lot of
> library ( vctrs ) Error: package or namespace load failed for ?vctrs? in loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]]):
?namespace ?rlang? 0.4.0 is being loaded, but >= 0.4.2 is required...