Pandas How To Drop All Columns Except Specific Ones
You can use the following methods to drop all columns except specific ones from a pandas DataFrame Method 1 Use Double Brackets df df col2 col6 Method 2 Use loc df df loc col2 col6 Both methods drop all columns in the DataFrame except the columns called col2 and col6
Python How To Select All Columns Except One In Pandas Stack Overflow, This allows you to drop multiple columns even if you aren t sure they exist and works for MultiIndex columns too df drop columns x for x in abc foo bar if x in df columns In this example assuming a 2 level MultiIndex it will drop all columns with abc in the first level and it will also drop the single column foo bar
Drop All Columns From Data Frame Except Index And Nth
1 Answer Sorted by 1 you can just keep the n th by indexing it explicitly df df df columns n n 1 note range notation to make sure you get a dataframe not a series the index column will naturally stay in df Share Improve this answer
Python Keep Certain Columns In A Pandas DataFrame Deleting , DataFrame reindex with axis 1 or columns 0 21 However we also have reindex in recent versions you specify axis 1 to drop df reindex cols to keep axis 1 df reindex cols to keep axis columns for versions lt 0 21 use df reindex columns cols to keep 3 5 A x x B x x C x x
Pandas DataFrame drop Pandas 2 0 3 Documentation
Pandas DataFrame drop Pandas 2 0 3 Documentation, Parameters labelssingle label or list like Index or column labels to drop A tuple will be used as a single label and not treated as a list like axis 0 or index 1 or columns default 0 Whether to drop labels from the index 0 or index or columns 1 or columns indexsingle label or list like
Python Pandas Dataframe drop duplicates
How To Exclude Columns In Pandas With Examples Statology
How To Exclude Columns In Pandas With Examples Statology The following code shows how to select all columns except one in a pandas DataFrame import pandas as pd create DataFrame df pd DataFrame points 25 12 15 14 19 23 25 29 assists 5 7 7 9 12 9 9 4 rebounds 11 8 10 6 6 5 9 12 blocks 2 3 3 5 3 2 1 2 view DataFrame df points assists
Pandas Dataframe Drop
Example 1 Remove all columns except some using square bracket notation Let s remove all the columns except the Name column from the above dataframe using the square bracket notation In this method we use the list of columns we want to select or retain inside a pair of square brackets with the dataframe keep only the quot Name quot column Pandas Delete All Columns Except Some Columns. You can simply write df df bob and the other columns will be garbage collected Share Improve this answer Follow answered Sep 28 2013 at 2 40 Andy Hayden 359k 101 622 535 How do I drop all rows except where Ticker NIVD import numpy as np import pandas as pd raw data Sector Gas Future Future Gas Beer Future Ticker EX NVID ATVI EX BUSCH NVID Price 100 350 250 500 50 np NaN df pd DataFrame raw data columns Sector Ticker Price print df
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