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These functions compute highest posterior density (HPDI) and percentile (PI) intervals, using samples from a posterior density or simulated outcomes.
HPDI( samples , prob=0.89 )
PI( samples , prob=0.89 )Vector of parameter values
interval probability mass
Highest Posterior Density Intervals (HPDI) are calculated by HPDinterval in the coda package.
Percentile intervals (PI) use quantile and assign equal mass to each tail.