WebMar 18, 2024 · I have a pandas dataframe, df. I want to select all indices in df that are not in a list, blacklist. Now, I use list comprehension to create the desired labels to slice. ix= [i for i in df.index if i not in blacklist] df_select=df.loc [ix] Works fine, but may be clumsy if I need to do this often. WebJan 13, 2024 · A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions.
Select row from a DataFrame based on the type of the object(i.e. str)
WebUse a list of values to select rows from a pandas dataframe is similar, but the negation ~ was added as an edit in 2024. – Trenton McKinney. Dec 27, 2024 at 20:18. ... Filter dataframe rows if value in column is in a set list of values. 181. dropping rows from dataframe based on a "not in" condition. 96. WebSep 7, 2024 · A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. enacfire e19 bluetooth earbuds app
Python.pandas: how to select rows where objects start with letters …
WebFeb 26, 2024 · After sub-selecting on a condition of B, then you can select the columns you want, such as: In [1]: df.loc [df.B =='two'] [ ['A', 'B']] Out [1]: A B 2 foo two 4 foo two 5 bar … WebJan 13, 2024 · A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and … WebJun 15, 2024 · Add a comment. 2. The condition is just a filter, then you need to apply it to the dataframe. as filter you may use the method Series.str.startswith and do. df_pl = df [df ['Code'].str.startswith ('pl')] Share. Improve this answer. Follow. edited Jun 15, 2024 at 21:21. answered Jun 15, 2024 at 21:21. enac education