List all column except for one in R
dataframe, r
Solution
You can index and use a negative sign to drop the 3rd column:
data[,-3]
Or you can list only the first 2 columns:
data[,c("c1", "c2")]
data[,1:2]
Don't forget the comma and referencing data frames works like this: `data[row,column]`
Problem
Possible Duplicate: Drop Columns R Data frame Let's say I have a dataframe with column c1, c2, c3. I want to list just c1 and c2. How do I do that? I've tried: ``` head(data[column!="c3"]) head(data)[,2] head(data[!"c3"]) ```