stats - Statistics

gammapy.stats Package

Statistics.

Functions

cash(n_on, mu_on[, truncation_value])	Cash statistic, for Poisson data.
cash_sum_cython(counts, npred)	Summed cash fit statistics.
cstat(n_on, mu_on[, truncation_value])	C statistic, for Poisson data.
f_cash_root_cython(x, counts, background, model)	Function to find root of.
get_wstat_gof_terms(n_on, n_off)	Goodness of fit terms for WSTAT.
get_wstat_mu_bkg(n_on, n_off, alpha, mu_sig)	Background estimate mu_bkg for WSTAT.
norm_bounds_cython(counts, background, model)	Compute bounds for the root of _f_cash_root_cython.
wstat(n_on, n_off, alpha, mu_sig[, mu_bkg, ...])	W statistic, for Poisson data with Poisson background.

Classes

CashCountsStatistic(n_on, mu_bkg)	Class to compute statistics for Poisson distributed variable with known background.
WStatCountsStatistic(n_on, n_off, alpha[, ...])	Class to compute statistics for Poisson distributed variable with unknown background.