df = pd.DataFrame({'w':['foo','bar'], 'n':[3,5]})
I'd like to create a data frame with as many words in w as the number in the corresponding n row:
0 foo
1 foo
2 foo
3 bar
4 bar
5 bar
6 bar
7 bar
8 bar
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1Must be a dup: `df.loc[df.index.repeat(df['n']), 'w']` – Quang Hoang Nov 04 '21 at 18:55
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Or `np.repeat(df['w'], df['n'])` – Quang Hoang Nov 04 '21 at 18:56