Bias-correct a forecast using Pearson Type-III distribution

Bias-correct a forecast using quantile-matching on computed distributions of retrospective forecasts and observations.

pe3_forecast_correct(data, obs_location, obs_scale, obs_shape,
  retro_location, retro_scale, retro_shape, extreme_cutoff,
  when_dist_undefined)

Arguments

data	matrix representing forecast values
obs_location	location parameter from observed data
obs_scale	scale parameter from observed data
obs_shape	shape parameter from observed data
retro_location	location parameter from retrospective data
retro_scale	scale parameter from retrospective data
retro_shape	shape parameter from retrospective data
extreme_cutoff	clamping value for computed forecast quantiles (1/extreme_cutoff < quantile < 1 - 1/extreme_cutoff)
when_dist_undefined	assumed quantile of forecast when retrospective distribution is undefined