Error at loading package "rcmdr"

General
,
#1

Dear community,

i would like to install the R Commander, but it doesn't work:

I startet with:
package:Rcmdr
install.packages("Rcmdr")
library("Rcmdr")

But i get the following output:

library("Rcmdr")
Lade nötiges Paket: RcmdrMisc
Lade nötiges Paket: car
Error: package or namespace load failed for ‘car’ in loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]]):
Namensraum ‘vctrs’ 0.2.0 ist bereits geladen, aber >= 0.3.0 wird gefordert
Fehler: Paket ‘car’ konnte nicht geladen werden
Zusätzlich: Warnmeldungen:
1: Paket ‘Rcmdr’ wurde unter R Version 3.6.3 erstellt
2: Paket ‘RcmdrMisc’ wurde unter R Version 3.6.3 erstellt
3: Paket ‘car’ wurde unter R Version 3.6.3 erstellt

Could you please help me?
Thanks a lot

#2

Install the car package

install.packages("car")

Update the vctrs package

install.packages("vctrs")

Note: To avoid posible issues, restart your R session before installing the new packages

#5

I did this many times. It doesn't work. Thank you for your help, but i think i need more

#6

Can you be more specific? what is the actual error message you get?

#7

First, when i load car i get this output:

> install.packages("car")
WARNING: Rtools is required to build R packages but is not currently installed. Please download and install the appropriate version of Rtools before proceeding:

https://cran.rstudio.com/bin/windows/Rtools/
Installing package into ‘C:/Users/maria/Documents/R/win-library/3.6’
(as ‘lib’ is unspecified)
versuche URL 'https://cran.rstudio.com/bin/windows/contrib/3.6/car_3.0-10.zip'
Content type 'application/zip' length 1567935 bytes (1.5 MB)
downloaded 1.5 MB

package ‘car’ successfully unpacked and MD5 sums checked

The downloaded binary packages are in
	C:\Users\maria\AppData\Local\Temp\RtmpozjNxs\downloaded_packages
#8

And then i load vctrs and get this output:

> install.packages("vctrs")
WARNING: Rtools is required to build R packages but is not currently installed. Please download and install the appropriate version of Rtools before proceeding:

https://cran.rstudio.com/bin/windows/Rtools/
Installing package into ‘C:/Users/maria/Documents/R/win-library/3.6’
(as ‘lib’ is unspecified)
also installing the dependency ‘rlang’
#9

There is a binary version available but the source version is later:
binary source needs_compilation
rlang 0.4.8 0.4.9 TRUE

Binaries will be installed
versuche URL 'https://cran.rstudio.com/bin/windows/contrib/3.6/rlang_0.4.8.zip'
Content type 'application/zip' length 1149154 bytes (1.1 MB)
downloaded 1.1 MB

versuche URL 'https://cran.rstudio.com/bin/windows/contrib/3.6/vctrs_0.3.5.zip'
Content type 'application/zip' length 1277726 bytes (1.2 MB)
downloaded 1.2 MB

package ‘rlang’ successfully unpacked and MD5 sums checked
Warning in install.packages :
cannot remove prior installation of package ‘rlang’
Warning in install.packages :
Problem C:\Users\maria\Documents\R\win-library\3.6\00LOCK\rlang\libs\x64\rlang.dll nach C:\Users\maria\Documents\R\win-library\3.6\rlang\libs\x64\rlangdll zu kopieren: Permission denied
Warning in install.packages :
restored ‘rlang’
package ‘vctrs’ successfully unpacked and MD5 sums checked

The downloaded binary packages are in
C:\Users\maria\AppData\Local\Temp\RtmpCO9YqM\downloaded_packages

I think this works, should i also do: library(car) and library(vctrs) ??

#10

No, restart your R session ones more and then try to load Rcmdr

library(Rcmdr)
#11

I startet a new clean session - should i first install the package Rcmdr again in the new clean session before i load the library oder is it still in my r packages?

#12

That is not necessary, just load the package.

#13

Oh no.. i did it but again the same output:

library(Rcmdr)
Lade nötiges Paket: splines
Lade nötiges Paket: RcmdrMisc
Lade nötiges Paket: car
Lade nötiges Paket: carData
Error: package or namespace load failed for ‘car’ in loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]]):
Namensraum ‘rlang’ 0.4.0 ist bereits geladen, aber >= 0.4.7 wird gefordert
Fehler: Paket ‘car’ konnte nicht geladen werden
Zusätzlich: Warnmeldungen:
1: Paket ‘Rcmdr’ wurde unter R Version 3.6.3 erstellt
2: Paket ‘RcmdrMisc’ wurde unter R Version 3.6.3 erstellt
3: Paket ‘car’ wurde unter R Version 3.6.3 erstellt
4: Paket ‘carData’ wurde unter R Version 3.6.3 erstellt

#14

This is a different issue, you have to update the rlang package

install.packages("rlang")

Alternatively, you can update all your packages at once

update.packages(repos='https://cran.rstudio.com/', ask=FALSE, checkBuilt=TRUE)
#15

Ok thank you, i tried both. I still get the same output.
To load Rcmdr is still impossible. Maybe there isn't a solution for my problem and i have to work without the commander..

#16

If you have successfully updated rlang it is not possible that you are getting the same output, please be specific and post your error messages, otherwise, we can't help you.

#17

This is my output after installing rlang:

> install.packages("rlang")
WARNING: Rtools is required to build R packages but is not currently installed. Please download and install the appropriate version of Rtools before proceeding:

https://cran.rstudio.com/bin/windows/Rtools/
Installing package into ‘C:/Users/maria/Documents/R/win-library/3.6’
(as ‘lib’ is unspecified)

  There is a binary version available but the source version is later:
      binary source needs_compilation
rlang  0.4.8  0.4.9              TRUE

  Binaries will be installed
versuche URL 'https://cran.rstudio.com/bin/windows/contrib/3.6/rlang_0.4.8.zip'
Content type 'application/zip' length 1149154 bytes (1.1 MB)
downloaded 1.1 MB

package ‘rlang’ successfully unpacked and MD5 sums checked
Warning in install.packages :
  cannot remove prior installation of package ‘rlang’
Warning in install.packages :
  Problem C:\Users\maria\Documents\R\win-library\3.6\00LOCK\rlang\libs\x64\rlang.dll nach C:\Users\maria\Documents\R\win-library\3.6\rlang\libs\x64\rlang.dll zu kopieren: Permission denied
Warning in install.packages :
  restored ‘rlang’

The downloaded binary packages are in
	C:\Users\maria\AppData\Local\Temp\RtmpasUWer\downloaded_packages
#18

And after this i load Rcmdr:

library(Rcmdr)
Lade nötiges Paket: splines
Lade nötiges Paket: RcmdrMisc
Lade nötiges Paket: car
Lade nötiges Paket: carData
Error: package or namespace load failed for ‘car’ in loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]]):
Namensraum ‘rlang’ 0.4.0 ist bereits geladen, aber >= 0.4.7 wird gefordert
Fehler: Paket ‘car’ konnte nicht geladen werden
Zusätzlich: Warnmeldungen:
1: Paket ‘Rcmdr’ wurde unter R Version 3.6.3 erstellt
2: Paket ‘RcmdrMisc’ wurde unter R Version 3.6.3 erstellt
3: Paket ‘car’ wurde unter R Version 3.6.3 erstellt
4: Paket ‘carData’ wurde unter R Version 3.6.3 erstellt

same as before..

#19

The rlang installation has failed becasue the package is already loaded, try restarting RStudio before installing the package, or manually delete the folder.

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#20

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#4

Restart Rstudio before installing the packages

#3

Is is still not possible:
R always give me the message in the uploaded picture.
When i click Yes, then the message pops up again and again..

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