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pandas

Why isn’t my Pandas ‘apply’ function referencing multiple columns working?

August 20, 2022 by Magenaut

The slowest run took 7.49 times longer than the fastest. This could
mean that an intermediate result is being cached. 1000 loops, best of
3: 481 µs per loop

Categories Python, Q&A Tags apply, dataframe, pandas, python, python-2.7 Leave a comment

Convert pandas.Series from dtype object to float, and errors to nans

August 20, 2022 by Magenaut

Consider the following situation:

Categories Python, Q&A Tags nan, pandas, python Leave a comment

Reading an Excel file in python using pandas

August 20, 2022 by Magenaut

I am trying to read an excel file this way :

Categories Python, Q&A Tags pandas, python, python-2.7 Leave a comment

How to add multiple columns to pandas dataframe in one assignment?

August 20, 2022 by Magenaut

I’m new to pandas and trying to figure out how to add multiple columns to pandas simultaneously. Any help here is appreciated. Ideally I would like to do this in one step rather than multiple repeated steps…

Categories Python, Q&A Tags dataframe, pandas, python Leave a comment

How to read a file with a semi colon separator in pandas

August 20, 2022 by Magenaut

I a importing a .csv file in python with pandas.

Categories Python, Q&A Tags csv, pandas, python Leave a comment

Concatenate rows of two dataframes in pandas

August 20, 2022 by Magenaut

I need to concatenate two dataframes df_a anddf_b having equal number of rows (nRow) one after another without any consideration of keys. This function is similar to cbind in R programming language. The number of columns in each dataframe may be different.

Categories Python, Q&A Tags dataframe, pandas, python Leave a comment

pandas DataFrame: replace nan values with average of columns

August 20, 2022 by Magenaut

I’ve got a pandas DataFrame filled mostly with real numbers, but there is a few nan values in it as well.

Categories Python, Q&A Tags nan, pandas, python Leave a comment

Pandas dataframe get first row of each group

August 20, 2022 by Magenaut

I have a pandas DataFrame like following:

Categories Python, Q&A Tags dataframe, group-by, pandas, python, row Leave a comment

Python: get a frequency count based on two columns (variables) in pandas dataframe some row appers

August 19, 2022 by Magenaut

Hello I have the following dataframe.

Categories Python, Q&A Tags dataframe, group-by, pandas, python Leave a comment

Split a large pandas dataframe

August 19, 2022 by Magenaut

I have a large dataframe with 423244 lines. I want to split this in to 4. I tried the following code which gave an error? ValueError: array split does not result in an equal division

Categories Python, Q&A Tags pandas, python Leave a comment
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  1. michealSmith07 on Is there a way to dynamically refresh the less command?August 21, 2022

    That is a very nice post. I like this post.

  2. anonymous on Fix libwacom9 dependency issue when upgrade DebianJune 27, 2022

    saved my day!! Thanks for the help…

  3. sreedhar on Fix libwacom9 dependency issue when upgrade DebianMay 10, 2022

    Thanks its working

  4. saintnick on Fix libwacom9 dependency issue when upgrade DebianMay 10, 2022

    remove libwacom2 worked for me as well

  5. ranafoul on Fix libwacom9 dependency issue when upgrade DebianApril 22, 2022

    apt remove libwacom2 helped on kali 2022.01. gr8

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