isflat {ggdmc}

Model checking functions

Description

The function tests whether Markov chains converge prematurelly:

Usage

isflat(x, p1 = 1/3, p2 = 1/3, cut_location = 0.25, cut_scale = Inf,
  verbose = FALSE)

Arguments

x

posterior samples

p1

the range of the head of MCMC chains

p2

the range of the tail of the MCMC chains

cut_location

how far away a location chains been considered as stuck

cut_scale

how far away a scale chains been considered as stuck

verbose

print more information