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I've a Pandas dataframe, and some numerical data about some people. What I need to do is to fin… Read more Pandas Duplicates Groupby

I want to duplicate a model instance (row) in SQLAlchemy using the orm. My first thought was to do … Read more Sqlalchemy: Modification Of Detached Object

Consider a Pandas data frame: import pandas as pd df = pd.DataFrame({ 'a': pd.Series([… Read more Is There A Better Way To Find Duplicate Rows _including_ The First/last?

I know questions similar to this have been asked many, many times on Stack Overflow, but I need to … Read more Remove Duplicate Tuples From A List If They Are Exactly The Same Including Order Of Items

I have a list of Shapely polygons. From that list I want to extract only unique polygons removing t… Read more Removing Duplicate Geometries In Shapely

I have a file containing duplicate timestamps, maximum two for each timestamp, actually they are no… Read more Python Pandas Change Duplicate Timestamp To Unique

I have a data frame like this and I'm trying reshape my data frame using Pivot from Pandas in a… Read more Pivot Duplicates Rows Into New Columns Pandas

I've two text files. I need to check for duplicate words inside them. Is there a way more conci… Read more Find Duplicate Words In Two Files

I have a list of items like this: ['T1','T2','T2','T2','T2'… Read more Python : How To Find Duplicates In A List And Update These Duplicate Items By Renaming Them With A Progressive Letter Added

Sample Data {'transaction': {'merchant': 'merchantA', 'amount': 20,… Read more How To Find Duplicate Based Upon Multiple Columns In A Rolling Window In Pandas?

Suppose a data frame df has three columns c1, c2, c3. df=pd.DataFrame() df['c1']=[1,2,3,3,4… Read more Python: Separate Out Rows Which Have Duplicates In Panda Dataframe

Consider the following dataframe import pandas as pd df = pd.DataFrame({'A' : [1, 2, 3, 3, … Read more How To Conditionally Remove Duplicates From A Pandas Dataframe

Like many other questions on here, I'm attempting to remove duplicates from a list. However, wh… Read more Why Do I Get An Unhashable Type 'list' Error When Converting A List To A Set And Back

We can deduplicate the contiguous characters in a string with: def deduplicate(string, char): r… Read more Fastest Way To Deduplicate Contiguous Characters In String - Python

I had asked a question earlier that involved loops and lists and received some great feedback. Unfo… Read more List & Object Duplication Issues In Python

I have a list called matrix which contains some rows. Each row contains some dictionaries, and each… Read more Unique Dictionaries Out Of A List Of Lists?

I'm new to Python and am having to learn by trial and error, but I haven't been able to fin… Read more Remove Duplicate Value From Dictionary Without Removing Key

I have created a DataFrame, and now need to count each duplicate row (by for example df['Gender… Read more Pandas Dataframe Count Duplicate Rows And Fill In Column

Given n dictionaries, write a function that will return a unique dictionary with a list of values f… Read more Merge Dictionaries Retaining Values For Duplicate Keys

In Python numpy.unique can remove all duplicates from a 1D array, very efficiently. 1) How about … Read more Python: Remove Duplicates From A Multi-dimensional Array