data.frame - R - Delete column in dataframe if column name contains NA -

data.frame - R - Delete column in dataframe if column name contains NA -

i have dataframe 350 columns. due way import dataframe, there several columns na column name. therefore, r names them na, na.1, na.2, etc. remove columns in dataframe have na first 2 letters. how go doing this?

try this:

df[, grep("^(na)", names(df), value = true, invert = true)]

r data.frame