Chi2FitStatistic#

class gammapy.stats.Chi2FitStatistic[source]#

Bases: FitStatistic

Chi2 fit statistic class for measurements with gaussian symmetric errors.

Methods Summary

loglikelihood_dataset(dataset)	Calculate sum log(L).
stat_array_dataset(dataset)	Statistic function value per bin given the current model.
stat_sum_dataset(dataset)	Calculate -2 * sum log(L).

Methods Documentation

classmethod loglikelihood_dataset(dataset)#

Calculate sum log(L).

classmethod stat_array_dataset(dataset)[source]#

Statistic function value per bin given the current model.

classmethod stat_sum_dataset(dataset)#

Calculate -2 * sum log(L).