R - 如何在数据框中替换部分变量字符串 [英] R - how to replace parts of variable strings within data frame

问题描述

我有一个数据框 df:

I have a dataframe df:

var1 var2
"test" "testing"
"esten" "etsen"
"blest" "estten"

现在我想删除df里面的所有t"来得到:

Now I want to delete all "t" inside df to get:

var1 var2
"es" "esing"
"esen" "esen"
"bles" "esen"

我该怎么做?

推荐答案

使用 gsub

dat <- c("test", "testing", "esten", "etsen", "blest", "estten")

gsub("t", "", dat)
[1] "es"    "esing" "esen"  "esen"  "bles"  "esen" 

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