remove column from dataframe
df.drop('column_name', axis=1, inplace=True)remove column from dataframe
df.drop('column_name', axis=1, inplace=True)alter table delete column
ALTER TABLE "table_name" DROP "column_name";remove name of a column
M
a b c
1[1,] 1 4 7
2[2,] 2 5 8
3[3,] 3 6 9
row.names(M)<- NULL ; colnames(M)<- NULL
M
[,1] [,2] [,3]
[1,] 1 4 7
[2,] 2 5 8
[3,] 3 6 9Copyright © 2021 Codeinu
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