How to check installed packages from r source

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How to check installed packages from r source?
Oct 16, 2019 in Data Analytics by ch
• 3,450 points
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1 answer to this question.

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Use installed.packages() or find.package() function and pass the name of packages to be found as a vector separately in the function.

> find.package("dplyr")
[1] "C:/Users/Cherukuri_Sindhu/Documents/R/win-library/3.6/dplyr"

If not found, then 

Error in find.package("dplyr1") : there is no package called ‘dplyr1’
answered Oct 29, 2019 by Cherukuri
• 33,010 points

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