PyData

1–30 of 1610





Welcome to The Pydata group. First time posters are moderated. For more information see http://pandas.pydata.org/

For quicker answers you may want to search Stack Overflow or post (with a "pandas" tag) if no answer found!





Mark all as read

Report abusive group

0 selected





Grey Nolan, … Paul Hobson6

Jan 12

A bug

thx 在2021年1月9日星期六 UTC+8 下午9:10:06<matthe...@gmail.com> 写道： Hi, I get the same as you for Pandas

unread,

A bug

thx 在2021年1月9日星期六 UTC+8 下午9:10:06<matthe...@gmail.com> 写道： Hi, I get the same as you for Pandas

Jan 12



Simon Hawkins

Jan 7

ANN: Pandas 1.2.0 released

Hi all, I'm pleased to announce the release of pandas 1.2.0. This release includes some new

unread,

ANN: Pandas 1.2.0 released

Hi all, I'm pleased to announce the release of pandas 1.2.0. This release includes some new

Jan 7



Joe Hamman

Jan 6

Xarray 2021 User Survey

Hi All, The Xarray developer team has put together a short user survey: https://forms.gle/

unread,

Xarray 2021 User Survey

Hi All, The Xarray developer team has put together a short user survey: https://forms.gle/

Jan 6



Mark Mikofski

Jan 5

ANN: pvlib-0.8.1 released

Dear Pythonistas and solar power enthusiasts, On behalf of the maintainers, we're happy to

unread,

ANN: pvlib-0.8.1 released

Dear Pythonistas and solar power enthusiasts, On behalf of the maintainers, we're happy to

Jan 5



John Kennedy, … John Kennedy3

12/29/20

Pivot tables and column subtotals

Anuj - thanks for pointing me in the right direction. Best regards, John On Tue, 29 Dec 2020 at 07:48

unread,

Pivot tables and column subtotals

Anuj - thanks for pointing me in the right direction. Best regards, John On Tue, 29 Dec 2020 at 07:48

12/29/20



Robert McLeod, Francesc Alted2

12/29/20

ANN: NumExpr 2.7.2

Thanks Robert. Excellent job, as always! On Tue, Dec 29, 2020 at 7:38 AM Robert McLeod <robbmcleod

unread,

ANN: NumExpr 2.7.2

Thanks Robert. Excellent job, as always! On Tue, Dec 29, 2020 at 7:38 AM Robert McLeod <robbmcleod

12/29/20



New Enjoyneer, Anuj Gupta2

12/29/20

Issue about DataFrame row change

This happens because when you do "new_df = df", it passes on a reference to the original

unread,

Issue about DataFrame row change

This happens because when you do "new_df = df", it passes on a reference to the original

12/29/20



Uri Okrent, Pietro Battiston5

12/17/20

issue with assignment using loc

Also replying inline below. Il giorno mer, 16/12/2020 alle 21.47 -0500, Uri Okrent ha scritto: >

unread,

issue with assignment using loc

Also replying inline below. Il giorno mer, 16/12/2020 alle 21.47 -0500, Uri Okrent ha scritto: >

12/17/20



Ricardo Sbragi

12/10/20

New Data Source

Hi there, My name is Ricardo and I recently started to use Twelve Data as my data provider. They have

unread,

New Data Source

Hi there, My name is Ricardo and I recently started to use Twelve Data as my data provider. They have

12/10/20



Simon Hawkins

12/10/20

ANN: Pandas 1.2.0rc0 released

Hi all, I'm pleased to announce that pandas 1.2.0rc0 is now available for testing. This is the

unread,

ANN: Pandas 1.2.0rc0 released

Hi all, I'm pleased to announce that pandas 1.2.0rc0 is now available for testing. This is the

12/10/20



GlanPlon

11/2/20

Time Series Plot

Hi I want to plot a time series of observations. The time is given in days since 1970-01-1. Some of

unread,

Time Series Plot

Hi I want to plot a time series of observations. The time is given in days since 1970-01-1. Some of

11/2/20



Justus Magin

10/29/20

ANN: pint-xarray

The pint-xarray developers are pleased to announce the release of pint-xarray version 0.1. pint-

unread,

ANN: pint-xarray

The pint-xarray developers are pleased to announce the release of pint-xarray version 0.1. pint-

10/29/20



João Pedro, … alex Skelton8

9/24/20

[pandas] Binning Datetime

This should work pretty quickly I think. Let me know how it goes for you. I used the setup from

unread,

[pandas] Binning Datetime

This should work pretty quickly I think. Let me know how it goes for you. I used the setup from

9/24/20



Dodi Ardiansyah, Paul Hobson2

9/22/20

Add column from another csv file

Hey Dodi, This is one of the top-level topics in the "Getting Started" section of the

unread,

Add column from another csv file

Hey Dodi, This is one of the top-level topics in the "Getting Started" section of the

9/22/20



Alexander Kurakin, Tom Augspurger2

9/15/20

[Pandas] Will extended dtypes be default?

Probably someday, see our roadmap item at https://pandas.pydata.org/pandas-docs/dev/development/

unread,

[Pandas] Will extended dtypes be default?

Probably someday, see our roadmap item at https://pandas.pydata.org/pandas-docs/dev/development/

9/15/20



Ciprian Trofin

9/9/20

HDFStore class documentation

Hi all, I am not able to find the documentation for HDFStore class. Can you point me in the right

unread,

HDFStore class documentation

Hi all, I am not able to find the documentation for HDFStore class. Can you point me in the right

9/9/20



Alina Lenhardt, Joris Van den Bossche2

9/9/20

Mistake in documentation, read_json

Hi Alina, The examples actually show both. It first writes some json with to_json, to then read the

unread,

Mistake in documentation, read_json

Hi Alina, The examples actually show both. It first writes some json with to_json, to then read the

9/9/20



Nathan Cassee

9/9/20

Do you ever come across comments expressing anger or happiness when developing open-source software?

To Whom it may concern, We are an international team of researchers, from the University of Bari,

unread,

Do you ever come across comments expressing anger or happiness when developing open-source software?

To Whom it may concern, We are an international team of researchers, from the University of Bari,

9/9/20



Francesc Alted

9/9/20

ANN: python-blosc 1.9.2 released!

============================= Announcing python-blosc 1.9.2 ============================= What is new

unread,

ANN: python-blosc 1.9.2 released!

============================= Announcing python-blosc 1.9.2 ============================= What is new

9/9/20



Mark Mikofski

9/9/20

ANN: pvlib-0.8.0 python package for solar energy modeling

Dear Pythonistas and Solar Energy enthusiasts, I am very happy to announce a new, major release of

unread,

ANN: pvlib-0.8.0 python package for solar energy modeling

Dear Pythonistas and Solar Energy enthusiasts, I am very happy to announce a new, major release of

9/9/20



Kevin Sheppard

8/11/20

ANN: statsmodels Release Candidate 0.12.0rc0 is now available

The statsmodels developers are happy to announce the first release candidate for 0.12.0. 223 issues

unread,

ANN: statsmodels Release Candidate 0.12.0rc0 is now available

The statsmodels developers are happy to announce the first release candidate for 0.12.0. 223 issues

8/11/20



Hemerson Tacon

7/29/20

Next patsy package release

Hello everyone, The the next patsy package release has a date already? I'm particularly

unread,

Next patsy package release

Hello everyone, The the next patsy package release has a date already? I'm particularly

7/29/20



James Taylor

7/28/20

parameterized timestamps

Hello, I'm using Panda DataFrame with Presto v338 which was recently changed to use parameterized

unread,

parameterized timestamps

Hello, I'm using Panda DataFrame with Presto v338 which was recently changed to use parameterized

7/28/20



Tom Augspurger

7/28/20

ANN: Pandas 1.1.0 released

Hi all, I'm pleased to announce the release of pandas 1.1.0. This is a minor release which

unread,

ANN: Pandas 1.1.0 released

Hi all, I'm pleased to announce the release of pandas 1.1.0. This is a minor release which

7/28/20



Aidan Feldman

7/27/20

video/graphic ideas for teaching pandas

Hey all- I teach a Python for Public Policy course which introduces students with zero programming

unread,

video/graphic ideas for teaching pandas

Hey all- I teach a Python for Public Policy course which introduces students with zero programming

7/27/20



Miki Tebeka

7/26/20

ANN: Pandas Brain Teasers is Out!

Hi, I'm please to annouce that "Pandas Brain Teasers" is out! Grab your copy at https:/

unread,

ANN: Pandas Brain Teasers is Out!

Hi, I'm please to annouce that "Pandas Brain Teasers" is out! Grab your copy at https:/

7/26/20



Miki Tebeka2

7/24/20

df.query performance

Seems like my data wasn't big enouth and the query too simple. See https://github.com/pandas-dev/

unread,

df.query performance

Seems like my data wasn't big enouth and the query too simple. See https://github.com/pandas-dev/

7/24/20



christine y, Josh Friedlander2

7/21/20

pd.read_hdf not working for an s3 URL

Looks like a known issue: https://github.com/pandas-dev/pandas/issues/31902 On Tue, 21 Jul 2020, 22:

unread,

pd.read_hdf not working for an s3 URL

Looks like a known issue: https://github.com/pandas-dev/pandas/issues/31902 On Tue, 21 Jul 2020, 22:

7/21/20



Tom Augspurger2

7/19/20

ANN: Pandas 1.1.0rc0 released

FYI, at least on the archive at https://mail.python.org/pipermail/pandas-dev/2020-July/001267.html,

unread,

ANN: Pandas 1.1.0rc0 released

FYI, at least on the archive at https://mail.python.org/pipermail/pandas-dev/2020-July/001267.html,

7/19/20



Maximilian Roos

7/11/20

ANN: xarray v0.16.0

The xarray developers are pleased to announce the release of xarray v0.16.0. This release adds:

unread,

ANN: xarray v0.16.0

The xarray developers are pleased to announce the release of xarray v0.16.0. This release adds:

7/11/20





