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Add SparseSeries.to_coo method, a single test and one example.

API Design

SparseSparse Data TypeSparse Data Type

Status: Closed (abandoned).

pandas-dev/pandasnumber 9076

#9076 In pandas-dev/pandas;

· by cottrell was closed on Mar 3, 2015

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0.16.0

ENH: Native conversion from/to scipy.sparse matrix to SparseDataFrame

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

Enhancement

SparseSparse Data TypeSparse Data Type

Status: Closed (abandoned).

pandas-dev/pandasnumber 15497

#15497 In pandas-dev/pandas;

· by kernc was closed on Mar 10, 2017

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0.20.0

ENH: SparseDataFrame/SparseSeries value assignment

SparseSparse Data TypeSparse Data Type

Status: Closed (abandoned).

pandas-dev/pandasnumber 17785

#17785 In pandas-dev/pandas;

· by kernc was closed on Nov 26, 2018

Allows for merging of SparseDataFrames, and fixes __array__ interface

ReshapingConcat, Merge/Join, Stack/Unstack, ExplodeConcat, Merge/Join, Stack/Unstack, Explode

SparseSparse Data TypeSparse Data Type

Status: Closed (abandoned).

pandas-dev/pandasnumber 19488

#19488 In pandas-dev/pandas;

· by hexgnu was closed on Oct 17, 2018

SparseArray is an ExtensionArray

API Design

ExtensionArrayExtending pandas with custom dtypes or arrays.Extending pandas with custom dtypes or arrays.

SparseSparse Data TypeSparse Data Type

Status: Merged (completed).

pandas-dev/pandasnumber 22325

#22325 In pandas-dev/pandas;

· by TomAugspurger was closed on Oct 13, 2018

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0.24.0

Deprecate SparseDataFrame and SparseSeries

DeprecateFunctionality to remove in pandasFunctionality to remove in pandas

SparseSparse Data TypeSparse Data Type

Status: Merged (completed).

pandas-dev/pandasnumber 26137

#26137 In pandas-dev/pandas;

· by TomAugspurger was closed on May 29, 2019

· 

0.25.0

DEPR: Deprecate Series/Dataframe.to_dense/to_sparse

DeprecateFunctionality to remove in pandasFunctionality to remove in pandas

SparseSparse Data TypeSparse Data Type

Status: Merged (completed).

pandas-dev/pandasnumber 26684

#26684 In pandas-dev/pandas;

· by VikramjeetD was closed on Jun 19, 2019

· 

0.25.0

Remove SparseSeries and SparseDataFrame

DeprecateFunctionality to remove in pandasFunctionality to remove in pandas

SparseSparse Data TypeSparse Data Type

Status: Merged (completed).

pandas-dev/pandasnumber 28425

#28425 In pandas-dev/pandas;

· by TomAugspurger was closed on Sep 18, 2019

· 

1.0.0