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rstudio find out if package is installed

Hurt Hornet answered on November 9, 2020 Popularity 6/10 Helpfulness 4/10

answer rstudio find out if package is installed

rstudio find out if package is installed

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#Easy way to check if packages are already installed in RStudio
packages <- c("ggplot2", "dplyr", "Hmisc", "lme4", "arm", "lattice", "lavaan")
if (length(setdiff(packages, rownames(installed.packages()))) > 0) {
  install.packages(setdiff(packages, rownames(installed.packages())))  
}

Popularity 6/10 Helpfulness 4/10 Language shell

Source: stackoverflow.com

Tags: find out package rstudio shell

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