ParameterList¶

class gammapy.utils.modeling.ParameterList(parameters, covariance=None)[source]¶

List of Parameters

Holds covariance matrix

Parameters:

parameters : list of Parameter

List of parameters

covariance : ndarray

Parameters covariance matrix. Order of values as specified by parameters.

Attributes Summary

`free`	Return list of free parameters names.
`frozen`	Return list of frozen parameters names.
`names`	List of parameter names

Methods Summary

`covariance_to_table`()	Serialize parameter covariance into `Table`
`error`(parname)	Return error on a given parameter
`from_dict`(val)
`from_list_of_dict_gammacat`(data)
`from_list_of_dict_xml`(data)
`set_parameter_covariance`(covariance, covar_axis)	Set full correlated parameters errors.
`set_parameter_errors`(errors)	Set uncorrelated parameters errors.
`to_dict`()
`to_list_of_dict`()
`to_table`()	Serialize parameter list into `Table`
`to_xml`()

Attributes Documentation

Methods Documentation

covariance_to_table()[source]¶: Serialize parameter covariance into Table

error(parname)[source]¶

Return error on a given parameter

Parameters:

parname : str

Parameter

set_parameter_covariance(covariance, covar_axis)[source]¶

Set full correlated parameters errors.

Parameters:

covariance : array-like

Covariance matrix

covar_axis : list

List of strings defining the parameter order in covariance

set_parameter_errors(errors)[source]¶

Set uncorrelated parameters errors.

Parameters:

errors : dict of Quantity

Dict of parameter errors.