NAP: Non-Local Alternative Priors in Psychology
Conducts Bayesian Hypothesis tests of a point null hypothesis against a two-sided alternative
using Non-local Alternative Prior (NAP) for one- and two-sample z- and t-tests
(Pramanik and Johnson, 2022). Under the alternative, the NAP is assumed on the standardized
effects size in one-sample tests and on their differences in two-sample tests. The package
considers two types of NAP densities: (1) the normal moment prior, and (2) the composite alternative.
In fixed design tests, the functions calculate the Bayes factors and the expected weight of evidence
for varied effect size and sample size. The package also provides a sequential testing framework using the
Sequential Bayes Factor (SBF) design. The functions calculate the operating characteristics (OC)
and the average sample number (ASN), and also conducts sequential tests for a sequentially observed data.
||foreach, stats, utils, parallel, doParallel, graphics
||Sandipan Pramanik [aut, cre],
Valen E. Johnson [aut]
||Sandipan Pramanik <sandy at stat.tamu.edu>
||GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
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