1. Requirements

2. Windows

2.1. Installation

  • Start R with administrative privileges from the Start menu.

  • Enter the following commands.

    install.packages("devtools")

# Show installed packages.
ip <- as.data.frame(installed.packages()[,c(1,3:4)])
rownames(ip) <- NULL
ip <- ip[is.na(ip$Priority),1:2,drop=FALSE]
print(ip, row.names=FALSE)

ip <- as.data.frame(installed.packages()[,c(1,3:4)]); rownames(ip) <- NULL; ip <- ip[is.na(ip$Priority),1:2,drop=FALSE]; print(ip, row.names=FALSE)
ip <- as.data.frame(installed.packages()[,c(1,3:4)]); ip <- ip[is.na(ip$Priority),1:2,drop=FALSE]; print(ip, row.names=FALSE)
ip <- as.data.frame(installed.packages()[,c(1,3:4)]); print(ip, row.names=FALSE)

# Quit.
q(save = "no")

  • Close R.