11.4.8. astroML.datasets.fetch_nasa_atlas

astroML.datasets.fetch_nasa_atlas(data_home=None, download_if_missing=True)[source]

Loader for NASA galaxy atlas data

Parameters
data_homeoptional, default=None

Specify another download and cache folder for the datasets. By default all scikit learn data is stored in ‘~/astroML_data’ subfolders.

download_if_missingoptional, default=True

If False, raise a IOError if the data is not locally available instead of trying to download the data from the source site.

Returns
datandarray

The data, in the form of a numpy record array.

Notes

This is the file created by the example script at

examples/datasets/truncate_nsa_data.py

For an explanation of the meaning of the fields, see the description at

http://www.nsatlas.org/data