Python Pandas find and drop duplicate data

Python Pandas identify and drop duplicate data

* identify duplicate rows in Pandas
* find duplicate values in a column
* identify duplicate values in several columns
* drop duplicated data in all columns
* drop duplicated data in several column

Bonus

* find duplicates in index
* find duplicate data in a row
* delete columns with duplicates

Cheat Sheets for AI, Neural Networks, Machine Learning, Deep Learning & Big Data

Dataset

find duplicate rows in Pandas
subset : column label or sequence of labels, optional Only consider certain columns for identifying duplicates, by default use all of the columns

keep : {‘first’, ‘last’, False}, default ‘first’

first : Mark duplicates as True except for the first occurrence.
last : Mark duplicates as True except for the last occurrence.
False : Mark all duplicates as True.

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[airahangdale]

Thank you so much for this video... I was looking for dropping duplicates with multiple columns.. and it worked perfectly.