Dear R-helpers:
I am new to R and would like to seek your expert opinion on installation
tip. Many thanks in advance.
I want to update my R to the newest version and wonder the following two
questions:
Question 1:
How can I install R and its contributed packages in a way so when updating R
in the future, I do NOT need to
re-install contributed packages used by R of last version.
Question 2:
Is it an ok-practice to just install all the CRAN packages (i.e.,
install.packages(available.packages()[,1]) ). Does someone do so?
The reason I ask the second question is that if installing all available
packages does Not consume too much time (say less than 2 hours), too much
computer resource (I have big harddrive, so harddrive is probably not a
concern. I guess computing speed will not be affected but not sure...)
then, I do not need to bother Question 1 and will just install all available
packages when updating R.
Many Thanks in advance.
Merry Christmas!
-Sean
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