get_default_id

sherpa.ui.get_default_id()

Return the default data set identifier.

The Sherpa data id ties data, model, fit, and plotting information into a data set easily referenced by id. The default identifier, used by many commands, is returned by this command and can be changed by set_default_id.

Returns:id – The default data set identifier used by certain Sherpa functions when an identifier is not given, or set to None. Return type:int or str

See also

list_data_ids()

List the identifiers for the loaded data sets.

set_default_id()

Set the default data set identifier.

Notes

The default Sherpa data set identifier is the integer 1.