📅  最后修改于: 2022-03-11 14:56:22.455000             🧑  作者: Mango
#list all objects in current R workspace
ls()
[1] "df1" "df2" "df3" "x"
#remove df1 and df2
rm("df1", "df2")
#list all objects in workspace
ls()
[1] "df3" "x"