Is it possible to do applymap using the groupby in pandas?
问题 In a pandas Dataframe I want to applymap(somefunction) using groupby (using some column index values). mcve_01.txt pos index M1 M2 F1_x 16230484 141 G/G G/G G 16230491 141 C/C C/C C 16230503 141 T/T T/T T 16230524 141 T/T T/T T 16230535 141 . . T 16232072 211 A/A A/A A 16232072 211 A/A A/A A 16229783 211 C/C C/C G 16229992 211 A/A A/A G 16230007 211 T/T T/T A 16230011 263 G/G G/G C 16230049 263 A/A A/A T 16230174 263 . . T 16230190 263 A/A A/A T 16230260 263 A/A A/A G I have function written