有很多方法可以做到这一点
1个
In [7]: d.sales[d.sales==24] = 100In [8]: dOut[8]: day flavour sales year0 sat strawberry 10 20081 sun strawberry 12 20082 sat banana 22 20083 sun banana 23 20084 sat strawberry 11 20095 sun strawberry 13 20096 sat banana 23 20097 sun banana 100 2009
2
In [26]: d.loc[d.sales == 12, 'sales'] = 99In [27]: dOut[27]: day flavour sales year0 sat strawberry 10 20081 sun strawberry 99 20082 sat banana 22 20083 sun banana 23 20084 sat strawberry 11 20095 sun strawberry 13 20096 sat banana 23 20097 sun banana 100 2009
3
In [28]: d.sales = d.sales.replace(23, 24)In [29]: dOut[29]: day flavour sales year0 sat strawberry 10 20081 sun strawberry 99 20082 sat banana 22 20083 sun banana 24 20084 sat strawberry 11 20095 sun strawberry 13 20096 sat banana 24 20097 sun banana 100 2009
