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Use external R packages
Use external R packages
Package installation is persistent, but you cannot know in advance which node of the cluster will launch your job.
Thus don't assume packages are already installed:
options(repos = "https://cloud.r-project.org") pkgs <- c("data.table", "dplyr", "ggplot2") for (pkg in pkgs) if (!length(find.package(pkg, quiet = TRUE))) install.packages(pkg) for (pkg in pkgs) library(pkg, character.only = TRUE)
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