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[R] Check and Load Packages
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| # Allows for install check and automatic download | |
| # Note: Rerun line 6 after CTRL + ALT + F10 Restart | |
| # Adapted from: http://stackoverflow.com/questions/4090169/elegant-way-to-check-for-missing-packages-and-install-them | |
| packages <- c("data.table", "dplyr", "doParallel") | |
| packagesCheck <- packages[!(packages %in% installed.packages()[,"Package"])] | |
| if(length(packagesCheck)>0) {install.packages(packagesCheck)}; rm(packagesCheck) | |
| lapply(packages, function(x) {do.call("require", list(x))}) |
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