Téléchargement de package avec problème Rstudio avec connexion proxy

C’est 2 jours que je cherche sur internet une solution à mon problème sans succès. J’ai téléchargé Rstudio à mon travail et j’ai essayé d’installer certains paquets.

Quand je mets par exemple en R:

> install.packages("readxl") 

Il retourne

 Warning in install.packages : cannot open URL 'http ://cran.rstudio.com/src/consortingb/PACKAGES.rds': HTTP status was '407 Proxy Authorization Required' Warning in install.packages : cannot open URL 'http ://cran.rstudio.com/src/consortingb/PACKAGES.gz': HTTP status was '407 Proxy Authorization Required' Warning in install.packages : cannot open URL 'http ://cran.rstudio.com/src/consortingb/PACKAGES': HTTP status was '407 Proxy Authorization Required' Warning in install.packages : unable to access index for repository http ://cran.rstudio.com/src/consortingb: cannot open URL 'http ://cran.rstudio.com/src/consortingb/PACKAGES' Warning in install.packages : cannot open URL 'http ://www.stats.ox.ac.uk/pub/RWin/src/consortingb/PACKAGES.rds': HTTP status was '407 Proxy Authorization Required' Warning in install.packages : cannot open URL 'http ://www.stats.ox.ac.uk/pub/RWin/src/consortingb/PACKAGES.gz': HTTP status was '407 Proxy Authorization Required' Warning in install.packages : cannot open URL 'http ://www.stats.ox.ac.uk/pub/RWin/src/consortingb/PACKAGES': HTTP status was '407 Proxy Authorization Required' Warning in install.packages : unable to access index for repository http ://www.stats.ox.ac.uk/pub/RWin/src/consortingb: cannot open URL 'http ://www.stats.ox.ac.uk/pub/RWin/src/consortingb/PACKAGES' Warning in install.packages : package 'readxl' is not available (for R version 3.4.0) Warning in install.packages : cannot open URL 'http ://cran.rstudio.com/src/consortingb/PACKAGES.rds': HTTP status was '407 Proxy Authorization Required' Warning in install.packages : cannot open URL 'http ://cran.rstudio.com/src/consortingb/PACKAGES.gz': HTTP status was '407 Proxy Authorization Required' Warning in install.packages : cannot open URL 'http ://cran.rstudio.com/src/consortingb/PACKAGES': HTTP status was '407 Proxy Authorization Required' Warning in install.packages : unable to access index for repository http ://cran.rstudio.com/src/consortingb: cannot open URL 'http ://cran.rstudio.com/src/consortingb/PACKAGES' Warning in install.packages : cannot open URL 'http ://www.stats.ox.ac.uk/pub/RWin/src/consortingb/PACKAGES.rds': HTTP status was '407 Proxy Authorization Required' Warning in install.packages : cannot open URL 'http ://www.stats.ox.ac.uk/pub/RWin/src/consortingb/PACKAGES.gz': HTTP status was '407 Proxy Authorization Required' Warning in install.packages : cannot open URL 'http ://www.stats.ox.ac.uk/pub/RWin/src/consortingb/PACKAGES': HTTP status was '407 Proxy Authorization Required' Warning in install.packages : unable to access index for repository http ://www.stats.ox.ac.uk/pub/RWin/src/consortingb: cannot open URL 'http ://www.stats.ox.ac.uk/pub/RWin/src/consortingb/PACKAGES' Warning in install.packages : package 'readxl' is not available (for R version 3.4.0) Warning in install.packages : cannot open URL 'http ://cran.rstudio.com/bin/windows/consortingb/3.4/PACKAGES.rds': HTTP status was '407 Proxy Authorization Required' Warning in install.packages : cannot open URL 'http ://cran.rstudio.com/bin/windows/consortingb/3.4/PACKAGES.gz': HTTP status was '407 Proxy Authorization Required' Warning in install.packages : cannot open URL 'http ://cran.rstudio.com/bin/windows/consortingb/3.4/PACKAGES': HTTP status was '407 Proxy Authorization Required' Warning in install.packages : unable to access index for repository http ://cran.rstudio.com/bin/windows/consortingb/3.4: cannot open URL 'http ://cran.rstudio.com/bin/windows/consortingb/3.4/PACKAGES' Warning in install.packages : cannot open URL 'http ://www.stats.ox.ac.uk/pub/RWin/bin/windows/consortingb/3.4/PACKAGES.rds': HTTP status was '407 Proxy Authorization Required' Warning in install.packages : cannot open URL 'http ://www.stats.ox.ac.uk/pub/RWin/bin/windows/consortingb/3.4/PACKAGES.gz': HTTP status was '407 Proxy Authorization Required' Warning in install.packages : cannot open URL 'http ://www.stats.ox.ac.uk/pub/RWin/bin/windows/consortingb/3.4/PACKAGES': HTTP status was '407 Proxy Authorization Required' Warning in install.packages : unable to access index for repository http ://www.stats.ox.ac.uk/pub/RWin/bin/windows/consortingb/3.4: cannot open URL 'http ://www.stats.ox.ac.uk/pub/RWin/bin/windows/consortingb/3.4/PACKAGES' 

J’ai regardé sur internet et le problème semble être la connexion au proxy de mon entreprise (je dois mettre un nom d’utilisateur et un mot de passe chaque fois que je me connecte à internet)

J’ai essayé d’append dans le fichier .Renviron qui se trouve dans C: \ Users \ votre nom d’utilisateur \ Documents le code suivant que j’ai trouvé sur Internet:

 options(internet.info = 0) http_proxy = https:// user_id:password@your_proxy:your_port http_proxy_user = user_id:password 

J’ai remplacé le user_id et le mot de passe
J’ai trouvé mon proxy dans: start> run> cmd> ipconfig il est de la forme xxxxx.xxx.ca (certaines lettres remplacent le ‘x’)
Et pour mon port je mets 8080

J’ai également essayé de télécharger directement le fichier zip du paquet mais cela ne fonctionne pas non plus.

Je cherche désespérément une solution

Avez-vous essayé de placer .Renviron dans C:\Users\your user name\ ?