get_covar_opt¶
- sherpa.astro.ui.get_covar_opt(name=None)¶
Return one or all of the options for the covariance method.
This is a helper function since the options can also be read directly using the object returned by
get_covar
.- Parameters
name (str, optional) – If not given, a dictionary of all the options are returned. When given, the individual value is returned.
- Returns
value
- Return type
dictionary or value
- Raises
sherpa.utils.err.ArgumentErr – If the
name
argument is not recognized.
See also
covar
Estimate parameter confidence intervals using the covariance method.
get_covar
Return the covariance estimation object.
set_covar_opt
Set an option of the covar estimation object.
Examples
>>> get_covar_opt('sigma') 1
>>> copts = get_covar_opt() >>> copts['sigma'] 1