Pandas nlargest method | Get top n rows of a data frame | Python Pandas Tutorial

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In this video, we discuss how to get the top n rows of a pandas data frame based on some columns using the nlargest method.

  1. Aditya Bhatt
  2. Python pandas tutorial
  3. pandas series
  4. pandas data analysis
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Комментарии
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Very helpful! I spent more time googling how to do this and struggling to implement it than it took to just watch this video and now I have exactly what I need!

toya
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Thanks Aditya!!

I am working on an analysis - where in when I am trying to mention column-name in nlargest (query mentioned below) - then compiler throws error "Series.nlargest() takes from 1 to 3 positional arguments but 4 were given".

> medical_appointments.groupby(by='gender').agg(total=('appointmentid', 'count')).reset_index().apply(lambda x: x.nlargest(1, 'total', 'all'))

When I remove 'total' from nlargest argument list - the method works as expected. I am confused when nlargest argument lists expects column-name and when not. Please reply if you have an idea..

PrateekTrivedi
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how do you do this for categorical columns

zoomphotografie
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Nice one Chacha!! I didn't know about these functions

anon
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Nice video please continue the series brother

Mukeshkumar-ylqq
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Sir i tried this but it's saying it has dtype and nlargest method cannot be used

sakshideo