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 ...
mfbaseinfo org mfbaseinfo org prod code exc chfsec prod begin date pd.to datetime exc chfsec prod begin date exc chfsec init date pd.to datetime exc chfsec init date for i in list exc chfsec prod cod ...
2019-12-18 14:59 0 357 推薦指數:
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 ...
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 ...
: 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。 ...
a.any()==0語句是判斷陣列中的所有元素是否都為0,當全部為0是,返回真,當有元素不為0時,返回假 a.all()==0語句是判斷陣列中是否存在為0的元素,當存在0元素時,返回真,當所有元素都不為0,返回假 ...
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 ...