R语言中获取变量占据内存的大小object.size函数

 

1、

> dir()
[1] "outcome.map" "outcome.ped"
> ped <- read.table("outcome.ped")      ## 读取两个文件
> map <- read.table("outcome.map")
> object.size(ped)                      ## 统计变量占据内存大小
351346208 bytes
> object.size(map)
4233648 bytes