[R] Rtools required

[Steven]

Thanks John. Where is file .Renviron located? It must be a hidden file. 
I cannot find it.

On 2020/4/28 下午 08:29, Fox, John wrote:
> Dear Steven,
>
> Did you follow the instruction on the Rtools webpage to add
>
> 	PATH="${RTOOLS40_HOME}\usr\bin;${PATH}"
>
> to your .Renviron file?
>
> I hope this helps,
>   John
>
>    -----------------------------
>    John Fox, Professor Emeritus
>    McMaster University
>    Hamilton, Ontario, Canada
>    Web: http::/socserv.mcmaster.ca/jfox
>
>> On Apr 28, 2020, at 4:38 AM, Steven <syen using hqu.edu.cn> wrote:
>>
>> Dear All
>>
>> I updated to R-4.0.0. and also installed the latest Rtools 4.0 (to now
>> the new default folder c:\rtools40). While compiling a package (binary)
>> I received the follow marning message saying Rtools is required. Any
>> clues? Thanks.
>>
>> Steven Yen
>>
>> 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/
>>
>>
>> 	[[alternative HTML version deleted]]
>>
>> ______________________________________________
>> R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.