At some point in the recent past, my local .Rprofile has ceased to be
executed on startup. I've upgraded R several times in the last few months, and
am unsure which version caused this problem. Currently I'm running version
3.1.0 (2014-04-10) "Spring Dance" on 64-bit Ubuntu.
My symptoms and fix attempts:
1) Changes I make to .Rprofile are no longer automatically recognized by R
on startup.
2) After some Googling, I was led to believe that I need to set the
environment variable R_ENVIRON to "/home/stephen/.Rprofile." But after doing
so, when I start R, I get an error message: "File /home/stephen/.Rprofile
contains invalid line(s)". Then it lists the contents of .Rprofile, which are
now simply:
.First <- function() {
joe <<- function(x) x*2
}
This file is perfectly valid, however, which I know because when I
explicitly source() it, it loads .First just fine, and if I run ".First()", I
can then successfully run "joe(3)".
Why does R say this .Rprofile is invalid on startup? Is setting R_ENVIRON,
as described, the correct procedure? And why did this suddenly become
necessary?
- Stephen Davies, Ph.D.
([email protected])
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