Installing R on Mac - Warning messages Setting LC CTYPE failed using C

Question

I would like install R on my laptop Mac OS X version 10 7 3  I downloaded the last version and I double click on it and it was installed  when i start up I get the following error  I searched in internet but I could not solve the problem  any help would be appreciated   the errors are      During startup - Warning messages    1  Setting LC CTYPE failed  using  C    2  Setting LC COLLATE failed  using  C    3  Setting LC TIME failed  using  C    4  Setting LC MESSAGES failed  using  C    5  Setting LC PAPER failed  using  C     R app GUI 1 50  6126  x86 64-apple-darwin9 8 0         WARNING  You re using a non-UTF8 locale  therefore only ASCII characters will work    Please read R for Mac OS X FAQ  see Help  section 9 and adjust your system preferences accordingly     History restored from  Users nemo  Rapp history

User · Answer

I got same issue on Catalina mac  I also installed the R from the source in following diretory    Documents R-4 0 3 Now from the terminal type  ls -a   and open  vim  bash profile   type export LANG  quot en US UTF-8 quot   save with  wq then type source  bash profile   and then open   Documents R-4 0 3 bin R    Documents R-4 0 3 bin Rscript   I always have to run  quot source  Users yourComputerName  bash profile quot  before running R scripts

User · Answer

Just open the R software  and copy and paste  system  defaults write org R-project R force LANG en US UTF-8     Hope this will work fine or use the other method  open on mac   Utilities Terminal copy and paste  defaults write org R-project R force LANG en US UTF-8   and close both terminal and R and reopen R

User · Answer

I found slightly different problem running R on through mac terminal  but connecting remotely to an Ubuntu server  which prevented me from successfully installing a library   The solution I have was finding out what  LANG  variable is used in Ubuntu terminal  Ubuntu  gt  echo  LANG en US TUF-8   I got  en US TUF-8  reply from Ubuntu   In R session  however  I got  UTF-8  as the default value and it complained that LC TYPEC Setting LC CTYPE failed  using  C   R gt  Sys getenv  LANG    UTF-8    So  I tried to change this variable in R  It worked   R gt  Sys setenv LANG  en US UTF-8

User · Answer

Open Terminal Write or paste in  defaults write org R-project R force LANG en US UTF-8 Close Terminal  including any RStudio window  Start R   For someone runs R in a docker environment  under root   try to run R with below command  LC ALL C UTF-8 R   instead of just  R

User · Answer

Tks Ramon Gil Moreno  Pasting in Terminal and then restarting R Studio did the trick  write org rstudio RStudio force LANG en US UTF-8  Environment  MAC OS High Sierra 10 13 1    RStudio version 3 4 2  2017-09-28  --  Short Summer   Ennio De Leon

User · Answer

Setting locales in terminal resolved the issue for me  Open the terminal and   Check if locale settings are missing   gt  locale LANG  LC COLLATE  C  LC CTYPE  UTF-8  LC MESSAGES  C  LC MONETARY  C  LC NUMERIC  C  LC TIME  C  LC ALL   Edit    profile or    bashrc  export LANG en US UTF-8 export LC ALL en US UTF-8  Run      profile or      bashrc to read from the file  Open a new terminal window and check that the locales are properly set   gt  locale LANG  en US UTF-8  LC COLLATE  en US UTF-8  LC CTYPE  en US UTF-8  LC MESSAGES  en US UTF-8  LC MONETARY  en US UTF-8  LC NUMERIC  en US UTF-8  LC TIME  en US UTF-8  LC ALL  en US UTF-8

User · Answer

On my Mac r is installed in  usr local bin r  add line below in  bash profile solved the same problem   alias r  LANG en US UTF-8 LC ALL en US UTF-8 r

[macos] Installing R on Mac - Warning messages: Setting LC_CTYPE failed, using "C"

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