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yu-iskw/gist:b727ad7c515eb790f971

Created June 19, 2015 03:56
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How to install a package which is not installed
Raw
gistfile1.md 
if (!require(pkg)){ 
        install.packages(pkg) 
} 

if ("somepackage" %in% row.names(installed.packages())  == FALSE) 
install.packages("somepackage")
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