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)