Answers for "r dataframe all columns except"

pandas select all columns except one

df.loc[:, df.columns != 'b']

          a         c         d
0  0.561196  0.013768  0.772827
1  0.882641  0.615396  0.075381
2  0.368824  0.651378  0.397203
3  0.788730  0.568099  0.869127

select all columns except one by name in r

mtcars[, -which(names(mtcars) == "carb")]