Dear list,
How can I detect a package is installed or not? If not, then install it.
For example, in a script, I want to check the package DESeq is
installed or not. If not, then I will using this script to install it.
source("http://www.bioconductor.org/biocLite.R";)
biocLite("DESeq")
The pseudo script would be like this:
try:
library("DESeq")
catch:
source("http://www.bioconductor.org/biocLite.R";)
biocLite("DESeq")
Thank you
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