get_resid_contour

sherpa.astro.ui.get_resid_contour(id=None, recalc=True)

Return the data used by contour_resid.

Parameters:
  • id (int or str, optional) – The data set. If not given then the default identifier is used, as returned by get_default_id.

  • recalc (bool, optional) – If False then the results from the last call to contour_resid (or get_resid_contour) are returned, otherwise the data is re-generated.

Returns:

resid_data – The y attribute contains the residual values and the x0 and x1 arrays contain the corresponding coordinate values, as one-dimensional arrays.

Return type:

a sherpa.plot.ResidContour instance

Raises:

See also

get_ratio_contour

Return the data used by contour_ratio.

get_resid_image

Return the data used by image_resid.

contour_resid

Contour the residuals of the fit.

image_resid

Display the residuals (data - model) for a data set in the image viewer.

Examples

Return the residual data for the default data set:

>>> rinfo = get_resid_contour()