How to delete specific columns in R

Question

I have a data frame containing 2000 columns. Majority of the columns have "X111, X222 ,X123" and I want remove columns that starts with the name X

`df[grep("^X", names(df), invert = TRUE)]` – Ronak Shah Sep 06 '19 at 09:26 — Ronak Shah, Sep 06 '19 at 09:26

score 0 · Accepted Answer · answered Sep 06 '19 at 09:26

0

df[,-grep("^X",names(df)]

Grep logic looks for words starting (^) with X.

answered Sep 06 '19 at 09:26

boski

1 Answers1