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11.4.19. astroML.datasets.fetch_LIGO_large

astroML.datasets.fetch_LIGO_large(data_home=None, download_if_missing=True)

Loader for LIGO large dataset

Parameters :

data_home : optional, 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_missing : optional, 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 :

data : ndarray

dt : float

data represents ~2000s of amplitude data from LIGO hanford; dt is the time spacing between measurements in seconds.