R: use ifelse for data.frame?

Asked Oct 13 '18 at 11:38

Active Oct 13 '18 at 11:50

Viewed 38 times

how to use ifelse statement or other to solve like-this by one line code:

data[which(data > 2,arr.ind = T)] = 2.0  
data[which(data < -2,arr.ind = T)] = -2.0

data2 = data
data2[which(data > 0,arr.ind = T)] = "A"  
data2[which(data <= 0,arr.ind = T)] = "B"
data = data2

edited Oct 13 '18 at 11:46

asked Oct 13 '18 at 11:38

ryster

Please provide a reproducible example and show what the desired output should look like. – Roman Luštrik Oct 13 '18 at 11:48
Hi @ryster, welcome to Stackoverflow. Please [follow these instruction](https://stackoverflow.com/a/5963610/9406040) to edit your question in a way that makes it possible for us to help you. – Roman Oct 13 '18 at 12:49

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