Python - 在 Pandas DataFrame 中去除重複的row - How to drop duplicate rows in Python Pandas DataFrame- Stack Overflow

Information：

System version ： Windows 10 64-bit
Python version ： Python 3.6.0 :: Anaconda 4.3.1 (64-bit)

先建立資料

Code:

number = [1,2,3,4,5]
sex = ['male','female','female','female','male']
df_new = pd.DataFrame()
df_new['number'] = number
df_new['sex'] = sex
print(df_new)

Result:

   number     sex
0       1    male
1       2  female
2       3  female
3       4  female
4       5    male

去重複

Code:

df_new.drop_duplicates(['sex'])

Result:

   number     sex
0       1    male
1       2  female

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