我正在搜集一些工资数据,需要根据另一列将其转换为小时工资或年薪。我研究过如何做到这一点-这可能不是最有效的-但它适用于一条生产线。你知道吗
数据
import pandas as pd, numpy as np
columns = ['Location','Hourly','Annually','Monthly','Daily','Average','Hourly_Rate','Annual_Rate']
df = pd.DataFrame(columns=columns)
df.loc[1] = ['A',True,False,False,False,10.10,np.nan,np.nan]
df.loc[2] = ['B',False,True,False,False,50000,np.nan,np.nan]
df['Annual_Rate'] = (df['Average'] * 2080).where(df['Hourly'] == True) #need this line to run and not get overwritten
df['Annual_Rate'] = df['Average'].where(df['Annually'] == True ) #overwrites prior line
df['Annual_Rate'] = df['Average'].where(df['Annually'] == True & pd.isna(df['Annual_Rate'])) #overwrites prior line and is incorrect
df['Hourly_Rate'] = (df['Average'] / 2080).where([(df['Annually'] == True) & (pd.isnull(df['Hourly_Rate']))])
df['Hourly_Rate'] = df['Average'].where(df['Hourly'] == True & (pd.isna(df['Hourly_Rate'])))
df['Hourly_Rate'] = df['Average'].where(df['Hourly'] == True)
df.head(10)
以下是我/我需要工作的线路:
df['Hourly_Rate'] = (df['Average'] / 2080).where([(df['Annually'] == True) & (pd.isnull(df['Hourly_Rate']))])
df['Annual_Rate'] = (df['Average'] * 2080).where(df['Hourly'] == True)
预期结果:
+---+----------+--------+----------+---------+-------+---------+-------------+-------------+
| | Location | Hourly | Annually | Monthly | Daily | Average | Hourly_Rate | Annual_Rate |
+---+----------+--------+----------+---------+-------+---------+-------------+-------------+
| 1 | A | TRUE | FALSE | FALSE | FALSE | 10.1 | 10.1 | 21008 |
| 2 | B | FALSE | TRUE | FALSE | FALSE | 50000 | 24.03846154 | 50000 |
+---+----------+--------+----------+---------+-------+---------+-------------+-------------+
提前谢谢。你知道吗
pd.Series.where
与numpy.where
的工作原理不同。后者可用于指定向量化的if-else条件,可能是您需要的:pd.Series.where
用给定的值更新一个序列,其中条件不满足,否则保持不变(在这种情况下,NaN
当未指定时),如docs中所述:另外请注意,您可以直接使用布尔级数,而不是测试
df[col] == True
。你知道吗相关问题 更多 >
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