Thanks. I visited the Rtools web page and learned to run the following
lines. I am still getting the same warning message.
> writeLines('PATH="${RTOOLS40_HOME}\\usr\\bin;${PATH}"', con =
"~/.Renviron")
> Sys.which("make")
make
"C:\\rtools40\\usr\\bin\\make.exe"
On 2020/4/28 下午 08:39, Duncan Murdoch wrote:
On 28/04/2020 5:57 a.m., Steven T. Yen 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.
Presumably you didn't put it on your path, or you used a non-standard
way to build. You need to say what command you used.
Duncan Murdoch
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