# mfbaseinfo_org[mfbaseinfo_org['prod_code']=='008345'] exc_chfsec['prod_begin_date'] = pd.to_dat ...
在使用pandas判斷數據時出現錯誤提示: ValueError: The truth value of a Series is ambiguous. Use a.empty, a.bool , a.item , a.any or a.all . 個人理解:這是因為,你將一個值與多個值或一個列表中的值相比較 匹配,導致的問題 看提示,我們可以知道,在比較前,我們可以使用它推薦的某個方法: a.em ...
2019-09-14 11:37 0 2413 推薦指數:
# mfbaseinfo_org[mfbaseinfo_org['prod_code']=='008345'] exc_chfsec['prod_begin_date'] = pd.to_dat ...
報錯: ValueError: The truth value of a Series is ambiguous. Use a.empty, a.bool(), a.item(), a.any() or a.all(). 意思是你的數組真實值不明確,出現問題代碼 ...
: The truth value of a Series is ambiguous. Use a.empt ...
,統一用a.any()進行或比較,或a.all()進行與比較。 ...
啊,又遇到難題了 == 想要對兩個 dataframe 做自然連接 merge,連接的key 為 “userid”,但是報錯:ValueError: 'userid' is both an index level and a column label, which is ambiguous. ...
When this happened, it created the file .git/refs/heads/origin/branch-name. So, I just deleted the f ...
<?php if (!empty (get_gpc('userId'))) { $userId = get_gpc('userId'); } else { $error = "ID doesn't exist"; } 報錯: Fatal error: Can't use ...
pycharm設置的問題,在菜單欄File-Setting-Tools-Python Scientific中去除勾選Show plots in tool window即可解決問題。 ...