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fix: chisquare, dof and p-value also calculated when dof is 0. Test for

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dof and chisquare_over_dof added.
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Fabian Joswig 2023-03-09 15:32:27 +00:00
parent 06ba2015be
commit a7a098b861
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2 changed files with 31 additions and 4 deletions
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pyerrors/fits.py
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@ -358,11 +358,11 @@ def least_squares(x, y, func, priors=None, silent=False, **kwargs):
if not fit_result.success:
raise Exception('The minimization procedure did not converge.')
if x_all.shape[-1] - n_parms > 0:
output.chisquare = chisquare
output.dof = x_all.shape[-1] - n_parms + len(loc_priors)
output.chisquare = chisquare
output.dof = x_all.shape[-1] - n_parms + len(loc_priors)
output.p_value = 1 - scipy.stats.chi2.cdf(output.chisquare, output.dof)
if output.dof > 0:
output.chisquare_by_dof = output.chisquare / output.dof
output.p_value = 1 - scipy.stats.chi2.cdf(output.chisquare, output.dof)
else:
output.chisquare_by_dof = float('nan')