我试图在数据帧中创建一个新列,从字符串中解析出一个地址。尝试执行此操作时,我收到以下错误:
("'Series' objects are mutable, thus they cannot be hashed", u'occurred at index pk')
我在这个网站上看到过类似的问题,但不太明白它是如何应用于我的代码的:
import usaddress, re, pyodbc
import pandas as pd
conn = pyodbc.connect("DSN=TEST;UID=test;PWD=test")
sql = "select top 10 pk, address from test..test"
df = pd.read_sql(sql,conn)
pattern = re.compile(".+\\b[0-9]{5}\\b")
def extract(pat):
print pat
test = pattern.findall(pat)
return str(test[0])
i = 0
for i in df.iterrows():
df[i]['cleansed_address'] = df.apply(lambda x: extract(df[i]['descrsched']))
i+=1
MCVE
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