6.8.7.2.4.1. statsmodels.sandbox.stats.stats_dhuard.empiricalcdf

statsmodels.sandbox.stats.stats_dhuard.empiricalcdf(data, method='Hazen')[source]

Return the empirical cdf.

Methods available:
Hazen: (i-0.5)/N
Weibull: i/(N+1)

Chegodayev: (i-.3)/(N+.4) Cunnane: (i-.4)/(N+.2) Gringorten: (i-.44)/(N+.12) California: (i-1)/N

Where i goes from 1 to N.