ErrorEstResults¶
- class sherpa.fit.ErrorEstResults(fit, results, parlist=None)[source] [edit on github]¶
Bases:
sherpa.utils.NoNewAttributesAfterInit
The results of an error estimation run.
This object contains the parameter ranges, information on the statistic and optimisation-method used, and other relevant information.
- datasets¶
A sequence of the data set ids included in the results.
- Type
sequence of int or str, or None
- methodname¶
The name of the optimisation method used (in lower case).
- Type
str
- itermethodname¶
What iterated-fit scheme was used, if any.
- Type
str or None
- fitname¶
The name of the method used to fit the data, in lower case.
- Type
str
- statname¶
The name of the statistic used to fit the data, in lower case.
- Type
str
- sigma¶
The error values represent this number of sigma (assuming a Gaussian distribution).
- Type
number
- percent¶
The percentage value for the errors (calculated from the
sigma
value assuming Gaussian errors).- Type
number
- parnames¶
the parameter names that were varied in the fit (the thawed parameters in the model expression).
- Type
tuple of str
- parvals¶
The parameter values, in the same order as parnames.
- Type
tuple of number
- parmins¶
The parameter minimum values, in the same order as parnames.
- Type
tuple of number
- parmaxes¶
The parameter maximum values, in the same order as parnames.
- Type
tuple of number
- nfits¶
The number of fits performed during the error analysis.
- Type
int
- extra_output¶
The
extra_output
field from the fit.
Methods Summary
format
()Return a string representation of the error estimates.
Methods Documentation
- format()[source] [edit on github]¶
Return a string representation of the error estimates.
- Returns
txt – A multi-line representation of the error estimates.
- Return type
str