astroML-general

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AstroML is a Python software package for statistics, machine learning, and data mining in astronomy. The documentation can be found at http://astroML.github.com, and the source can be found at http://github.com/astroML/astroML. This is a forum for sharing feedback, asking questions, suggesting new features and examples, and getting help with contributing your own code. Welcome!

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8/23/23

Sloan Digital Sky Survey - Obtaining Sprectal and Photmetric Datasets

Greetings, I am working on a soft computing (fuzzy logic), genetic algorithm, explainable AI (XAI)

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Sloan Digital Sky Survey - Obtaining Sprectal and Photmetric Datasets

Greetings, I am working on a soft computing (fuzzy logic), genetic algorithm, explainable AI (XAI)

8/23/23

3/26/22

How to save points which lie in 68% confidence level from total samples in chains?

Dear astroML members I am running EMCEE for three parameters. Instead of saving the whole sample in

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How to save points which lie in 68% confidence level from total samples in chains?

Dear astroML members I am running EMCEE for three parameters. Instead of saving the whole sample in

3/26/22

Roshanraj Bhattarai

12/31/21

Piecewise continuous Total Least Square Regression

Hello all, I am trying to fit a piecewise continuous total least square fit with known break points

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Piecewise continuous Total Least Square Regression

Hello all, I am trying to fit a piecewise continuous total least square fit with known break points

12/31/21

7/26/21

Bayesian block for higher dimensions (>1d)

Is there a way to do 2d (or more) histograms with Bayesian blocks? I couldn't find. Thanks in

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Bayesian block for higher dimensions (>1d)

Is there a way to do 2d (or more) histograms with Bayesian blocks? I couldn't find. Thanks in

7/26/21

mason leist, Brigitta Sipocz2

3/3/21

Figure 3.9) ValueError

Dear Mason, While I'm updating the website, please use the version from the github repo, it has

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Figure 3.9) ValueError

Dear Mason, While I'm updating the website, please use the version from the github repo, it has

3/3/21

Joshua Bartkoske, Brigitta Sipocz3

2/25/21

Can't get figure 1.1 to work in my python environment

Dear Joshua, The original plotting script should work again. The regression was due to a recent

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Can't get figure 1.1 to work in my python environment

Dear Joshua, The original plotting script should work again. The regression was due to a recent

2/25/21

mason leist, … Brigitta Sipocz3

1/26/21

Figure 1.7: 'numpy.int64' error

Hi Mason and Kyriakos, Thank you for reporting this. I'm sorry about it, it hasn't been

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Figure 1.7: 'numpy.int64' error

Hi Mason and Kyriakos, Thank you for reporting this. I'm sorry about it, it hasn't been

1/26/21

Gordon Richards, Brigitta Sipocz2

8/31/20

Problems with astroML v1.0

Dear Gordon, Indeed there seems to be an issue handling the missing dependency of PyMC3. It's

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Problems with astroML v1.0

Dear Gordon, Indeed there seems to be an issue handling the missing dependency of PyMC3. It's

8/31/20

6/1/20

Power spectrum normalisation

Dear all,I have a question concerning the normalisation of the power spectrum: I have a 1D signal and

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Power spectrum normalisation

Dear all,I have a question concerning the normalisation of the power spectrum: I have a 1D signal and

6/1/20

Brigitta Sipocz, Marco Shaw6

2/3/20

astroML workshop at the 235th AAS Meeting

Yes. I should have looked closer and was expecting a bright orange/yellow cover like the 1st ed.

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astroML workshop at the 235th AAS Meeting

Yes. I should have looked closer and was expecting a bright orange/yellow cover like the 1st ed.

2/3/20

Binod Bhattarai, Brigitta Sipocz2

2/3/20

How to install latex for the code to work ?

Hi Binod, Unfortunately I don't know how to set up a working latex installation on windows.

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How to install latex for the code to work ?

Hi Binod, Unfortunately I don't know how to set up a working latex installation on windows.

2/3/20

Kyriakos Stylianopoulos, Brigitta Sipocz3

11/13/19

Training is done on the whole dataset rather than X_train, y_train in "Star/Quasar Classification ROC Curves" example

Hello Brigitta, I have created a pull request on the Github repo and committed the necessary changes.

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Training is done on the whole dataset rather than X_train, y_train in "Star/Quasar Classification ROC Curves" example

Hello Brigitta, I have created a pull request on the Github repo and committed the necessary changes.

11/13/19

Rizky Maulana Nurhidayat, Brigitta Sipocz4

9/24/19

problems with matplotlib

Oh, yes indeed. This is a bug when using matplotlib >=v3.1. It has been fixed in the developer

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problems with matplotlib

Oh, yes indeed. This is a bug when using matplotlib >=v3.1. It has been fixed in the developer

9/24/19

7/17/19

Plot of various density numbers verses galaxy colour

I wish to make a number of plots of density function values versus galaxy colour. Okay I can select a

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Plot of various density numbers verses galaxy colour

I wish to make a number of plots of density function values versus galaxy colour. Okay I can select a

7/17/19

7/16/19

Problems with from astroML.utils.decorators import pickle_results

This is a link to the sample https://www.astroml.org/book_figures/chapter3/fig_correlations.html On

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Problems with from astroML.utils.decorators import pickle_results

This is a link to the sample https://www.astroml.org/book_figures/chapter3/fig_correlations.html On

7/16/19

Keith Sloan, Brigitta Sipocz3

6/13/19

Problems with install.

> The fact that Anaconda does not distribute AstroML as default does that > mean there is a

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Problems with install.

> The fact that Anaconda does not distribute AstroML as default does that > mean there is a

6/13/19

Ayodeji Ibitoye, Keith Sloan2

6/13/19

ENQUIRY ABOUT TWO POINT CORRELATION USING AstroML

Very similar question. Where do I find the source that is mentioned at the end ie "For a more

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ENQUIRY ABOUT TWO POINT CORRELATION USING AstroML

Very similar question. Where do I find the source that is mentioned at the end ie "For a more

6/13/19

Brigitta Sipocz

1/15/19

Re: [astroml-general] incompatibility of astroML with sklearn v0.2

Hi, We have released the 0.4rc1 release candidate last week that should be compatible with the latest

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Re: [astroml-general] incompatibility of astroML with sklearn v0.2

Hi, We have released the 0.4rc1 release candidate last week that should be compatible with the latest

1/15/19

10/16/18

Knuth's rule for multi-dimensional histograms?

Hello everyone, quick question. This package includes Knuth's rule to determine the optimal

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Knuth's rule for multi-dimensional histograms?

Hello everyone, quick question. This package includes Knuth's rule to determine the optimal

10/16/18

8/31/18

Fix for code for Fig 3.22

In the code for Figure 3.22, the argument to the imshow command should be HT not H. For the example

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Fix for code for Fig 3.22

In the code for Figure 3.22, the argument to the imshow command should be HT not H. For the example

8/31/18

7/23/18

Minor tweak to Figure 10.4

When running under Python 3.6 and NumPy 1.14.5 you need to update the line Nfreq = Nbins / 2 to be

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Minor tweak to Figure 10.4

When running under Python 3.6 and NumPy 1.14.5 you need to update the line Nfreq = Nbins / 2 to be

7/23/18

11/27/17

Possible depreciation issue with 1D gaussian mixture example

Hello! I have been trying to fit a 1D gaussian mixture to my data and I found the example here that

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Possible depreciation issue with 1D gaussian mixture example

Hello! I have been trying to fit a 1D gaussian mixture to my data and I found the example here that

11/27/17

10/4/17

Two_point_angular_correlation

Hi, I have been using astroML two point angular correlation(tpac) feature to compute it for my radio

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Two_point_angular_correlation

Hi, I have been using astroML two point angular correlation(tpac) feature to compute it for my radio

10/4/17

Khary Richardson, … Tom Evslin4

8/2/17

Two-point correlation function

if objects are in 3-d space with ra, dec, and z, do coordinates have to be converted to some

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Two-point correlation function

if objects are in 3-d space with ra, dec, and z, do coordinates have to be converted to some

8/2/17

Cliff Kotnik, Jake Vanderplas3

4/3/17

Is py2 enough is py3 too many

Thanks Jake. I'll give it a try on py3. Cliff PS I got a lot out of your Python Data Science book

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Is py2 enough is py3 too many

Thanks Jake. I'll give it a try on py3. Cliff PS I got a lot out of your Python Data Science book

4/3/17

Nic Ross, Jake Vanderplas3

3/20/17

Chapter 6, correlation function code

Okay, brilliant, got it thanks!!! Nic > On Mar 20, 2017, at 2:50 PM, Jake Vanderplas <jakevdp@

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Chapter 6, correlation function code

Okay, brilliant, got it thanks!!! Nic > On Mar 20, 2017, at 2:50 PM, Jake Vanderplas <jakevdp@

3/20/17

Joseph Karpinski, … Marusa B3

3/1/17

Data Set Example for downloading and processing SDSS spectra HTTP Error 404

I also ran in the same issue :-( On Monday, February 13, 2017 at 8:11:01 PM UTC-8, Jake Vanderplas

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Data Set Example for downloading and processing SDSS spectra HTTP Error 404

I also ran in the same issue :-( On Monday, February 13, 2017 at 8:11:01 PM UTC-8, Jake Vanderplas

3/1/17

Steven Mohammed

2/24/17

Issue with plotting.scatter_contour

Hello, Sometimes when using scatter_contour I encounter an issue where for various values of the

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Issue with plotting.scatter_contour

Hello, Sometimes when using scatter_contour I encounter an issue where for various values of the

2/24/17

Matteo Bachetti

1/30/17

EWASS 2017: Special Session SS16 - Developments and Practices in Astronomy Research Software

Dear all, We would like to invite you to submit an abstract for a contributed oral and/or poster

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EWASS 2017: Special Session SS16 - Developments and Practices in Astronomy Research Software

Dear all, We would like to invite you to submit an abstract for a contributed oral and/or poster

1/30/17

12/26/16

adding a dataset in astroml

Hi Jake, I really admire your awesome book! I understand that machine learning (usually) requires

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adding a dataset in astroml

Hi Jake, I really admire your awesome book! I understand that machine learning (usually) requires

12/26/16

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