# list_data_ids¶

sherpa.astro.ui.list_data_ids()

List the identifiers for the loaded data sets.

Returns: ids – A list of the data set identifiers that have been created by commands like load_data and load_arrays. list of int or str

delete_data()
Delete a data set by identifier.
load_arrays()
Create a data set from arrays of data.
load_data()
Create a data set from a file.

Examples

In this case only one data set has been loaded:

>>> list_data_ids()
[1]


Two data sets have been loaded, using string identifiers:

>>> list_data_ids()
['nucleus', 'jet']