[R] Package installation

[Steven Yen]

I have had trouble installing packages (e.g., car, aod) in some 
computers (such as computers in the student lab) but no problem in my 
own laptop.
Installation typically goes through, but after I got out and back in R 
(and RStudios), the error message says "packages xxx not available". 
That is, earlier installation of the packages did not stay (despite the 
successful installation message).
I went back as far as R3.0.3 and there is no problem.
Does this tell anyone what may be going on? Thanks.

-- 
styen using ntu.edu.tw  (S.T. Yen)


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