3.11.9. statsmodels.stats.gof¶
extra statistical function and helper functions
contains:
- goodness-of-fit tests - powerdiscrepancy - gof_chisquare_discrete - gof_binning_discrete
Author: Josef Perktold License : BSD-3
3.11.9.1. changes¶
2013-02-25 : add chisquare_power, effectsize and “value”
3.11.9.2. Functions¶
chisquare(f_obs[, f_exp, value, ddof, ...]) |
chisquare goodness-of-fit test |
chisquare_effectsize(probs0, probs1[, ...]) |
effect size for a chisquare goodness-of-fit test |
chisquare_power(effect_size, nobs, n_bins[, ...]) |
power of chisquare goodness of fit test |
gof_binning_discrete(rvs, distfn, arg[, nsupp]) |
get bins for chisquare type gof tests for a discrete distribution |
gof_chisquare_discrete(distfn, arg, rvs, ...) |
perform chisquare test for random sample of a discrete distribution |
powerdiscrepancy(observed, expected[, ...]) |
Calculates power discrepancy, a class of goodness-of-fit tests as a measure of discrepancy between observed and expected data. |