pivot table but keep nan
(df.groupby(['Date', 'A']).B
.apply(lambda x: np.nan if x.isna().all() else x.sum())
.unstack('A')
)pivot table but keep nan
(df.groupby(['Date', 'A']).B
.apply(lambda x: np.nan if x.isna().all() else x.sum())
.unstack('A')
)Copyright © 2021 Codeinu
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