pandas 報錯:【sys:1: DtypeWarning: Columns (15) have mixed types. Specify dtype option on import or set low_memory=False.】
錯誤原因
報錯提示:“sys:1: DtypeWarning: Columns (15) have mixed types. Specify dtype option on import or set low_memory=False.”
錯誤:類型混淆
解決
import pandas as pd pd = pd.read_csv(Your_path, low_memory=False)
關鍵點
low_memory
low_memory : boolean, default True # 分塊加載到內存,再低內存消耗中解析,但是可能出現類型混淆。# 確保類型不被混淆需要設置為False,或者使用dtype 參數指定類型。 # 註意使用chunksize 或者iterator 參數分塊讀入會將整個文件讀入到一個Dataframe,而忽略類型(只能在C解析器中有效)
pandas 報錯:【sys:1: DtypeWarning: Columns (15) have mixed types. Specify dtype option on import or set low_memory=False.】
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