Using the dplyr package.
Suppose df is data.frame in r
Use the following code:
library(dplyr)
1. Using "%>%" pipe expression
df %>% select(A, B, E)
Here A,B,C are columns name
2. Without pipe expression:
select (df, A, B, C)
3. Select columns range:
select (df, 1 : 3)
in this case output will be from column 1 to 3.
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