在使用gender_guesser.detector包后,我得到了df中’gender’列的新总结如下。我想将’mostly_female’改为’female’;将’mostly_male’和’andy’改为’male’。我编写了如下代码,但产生了错误。如何修复它?非常感谢!未知 1125男性 321女性 225主要男性 29主要女性 26安迪 15
导入random导入numpy as np
for index, g in df.iterrows():
if g == 'mostly_female': df.loc[index, 'gender'] = 'female'elif g == 'mostly_male': df.loc[index, 'gender'] = 'male' elif g == 'andy': df.loc[index, 'gender'] = 'male'elif g == 'unknown': df.loc[index, 'gender'] = np.random.choice(['female', 'male'], size=1)else: print('error')
ValueError: 系列的真值模糊。请使用a.empty, a.bool(), a.item(), a.any()或a.all()
另外,关于如何根据“名字”将“未知”修改为“男性”和“女性”,有何建议?
我确实需要将“未知”分别更改为男性/女性,但不知道如何处理1130个观察值。这里有太多的名字… ‘Cyrenna’, ‘Dacks’, ‘Daella’, ‘Daella’, ‘Daemon’, ‘Daeron’, ‘Daeron’, ‘Dafyn’, ‘Dagon’, ‘Dake’, ‘Danwell’, ‘Daughter’, ‘Delena’, ‘Dickon’, ‘Donel’, ‘Harren’, ‘Harrold’, ‘Harwyn’, ‘Hoarfrost’, ‘Hoke’, ‘Hot’, ‘Hother’, ‘Humfrey’, ‘Humfrey’, ‘Jaremy’, ‘Jeor’, ‘Jeyne’, ‘Jeyne’, ‘Donnel’, ‘Jeyne’, ‘Jeyne’, ‘Jeyne’, ‘Jhaqo’, ‘Jhiqui’, ‘Aegon’, ‘Aegon’, ‘Aerion’, ‘Aladale’, ‘Alester’, ‘Bannen’, ‘Belandra’, ‘Belwas’, ‘Benjen’, ‘Benjen’, ‘Beric’, ‘Black’, ‘Bore’
回答:
您可以使用map
方法,通过为每个需要的键传递替换值来实现。
df['gender'] = df['gender'].map({ 'mostly_female': 'female', 'mostly_male': 'male', 'andy': 'male', 'unknown': np.random.choice(['female', 'male'], size=1)})