Created
March 31, 2017 08:54
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Install and load packages in R
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| # Install a package and load it. | |
| installRequiredPackages <- function(pkg){ | |
| new.pkg <- pkg[!(pkg %in% installed.packages()[,"Package"])] | |
| if (length(new.pkg)) | |
| install.packages(new.pkg, dependencies = TRUE) | |
| sapply(pkg, require, character.only = TRUE) | |
| } | |
| libs <- c("readr", "dplyr", "tidyr", "ggplot2", | |
| "magrittr", "markdown", "knitr", "Hmisc", | |
| "repmis", "yaml", "psych", "lsr") | |
| installRequiredPackages(libs) |
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