Python 使用第二列作为分隔符拆分dataframe列
我想使用同一行中第二列的值将一列拆分为两列,因此第二列的值用作拆分分隔符 我正在接收错误Python 使用第二列作为分隔符拆分dataframe列,python,pandas,string,split,delimiter,Python,Pandas,String,Split,Delimiter,我想使用同一行中第二列的值将一列拆分为两列,因此第二列的值用作拆分分隔符 我正在接收错误TypeError:“Series”对象是可变的,因此它们不能散列,这很有意义,因为它接收的是一个序列,而不是单个值,但我不确定如何隔离到第二列的单行值 样本数据: title_location delimiter 0 Doctor - ABC - Los Angeles, CA - ABC - 1 Lawyer - ABC - Atlanta, G
TypeError:“Series”对象是可变的,因此它们不能散列,这很有意义,因为它接收的是一个序列,而不是单个值,但我不确定如何隔离到第二列的单行值
样本数据:
title_location delimiter
0 Doctor - ABC - Los Angeles, CA - ABC -
1 Lawyer - ABC - Atlanta, GA - ABC -
2 Athlete - XYZ - Jacksonville, FL - XYZ -
代码:
期望输出:
title_location delimiter title location
0 Doctor - ABC - Los Angeles, CA - ABC - Doctor Los Angeles, CA
1 Lawyer - ABC - Atlanta, GA - ABC - Lawyer Atlanta, GA
2 Athlete - XYZ - Jacksonville, FL - XYZ - Athlete Jacksonville, FL
让我们试试zip
,然后join
返回
df = df.join(pd.DataFrame([x.split(y) for x ,y in zip(df.title_location,df.delimiter)],index=df.index,columns=['Title','Location']))
df
Out[200]:
title_location delimiter Title Location
0 Doctor - ABC - Los Angeles, CA - ABC - Doctor Los Angeles, CA
1 Lawyer - ABC - Atlanta, GA - ABC - Lawyer Atlanta, GA
2 Athlete - XYZ - Jacksonville, FL - XYZ - Athlete Jacksonville, FL
让我们试试zip
,然后join
返回
df = df.join(pd.DataFrame([x.split(y) for x ,y in zip(df.title_location,df.delimiter)],index=df.index,columns=['Title','Location']))
df
Out[200]:
title_location delimiter Title Location
0 Doctor - ABC - Los Angeles, CA - ABC - Doctor Los Angeles, CA
1 Lawyer - ABC - Atlanta, GA - ABC - Lawyer Atlanta, GA
2 Athlete - XYZ - Jacksonville, FL - XYZ - Athlete Jacksonville, FL
尝试应用
bigdata[['title', 'location']]=bigdata.apply(func=lambda row: row['title_location'].split(row['delimiter']), axis=1, result_type="expand")
尝试应用
bigdata[['title', 'location']]=bigdata.apply(func=lambda row: row['title_location'].split(row['delimiter']), axis=1, result_type="expand")