dataframe all companies except
>>> df a b c d 0 0.175127 0.191051 0.382122 0.869242 1 0.414376 0.300502 0.554819 0.497524 2 0.142878 0.406830 0.314240 0.093132 3 0.337368 0.851783 0.933441 0.949598 >>> df.drop('b', axis=1) a c d 0 0.175127 0.382122 0.869242 1 0.414376 0.554819 0.497524 2 0.142878 0.314240 0.093132 3 0.337368 0.933441 0.949598
