R语言中批量加载R包

001、

packages <- c("data.table", "ggplot2", "qqman", "detectRUNS") ## 确保包已经安装

sapply(packages, require)

sapply(packages, require, character.only = TRUE) ## 批量加载

002、

packages <- c("data.table", "ggplot2", "qqman", "detectRUNS")

for (i in 1:length(packages)) {

if (packages[i] %in% installed.packages()[,"Package"]) {

next

}

else

{

install.packages(packages[i], dependencies = TRUE)

}

}

sapply(packages, require, character.only = TRUE)