recalc.bicprobs {BayesQTLBIC}R Documentation

Recalculation of posterior probabilities for bicreg.qtl objects

Description

Posterior probabilities for models, marginal probabilities for model sizes, and marginal probabilities for markers are re-calculated for new values of delta and/or prior probabilities

Usage

recalc.bicprobs(obj, old.delta = attr(obj, "delta"), delta = 1, n = obj$n, 
    old.prior = attr(obj, "prior"), prior = 0.5, p.sg = 1) 

Arguments

obj object of class bicreg.qtl
old.delta value of delta previously used to calculate obj
delta value of delta for which probabilities are desired
n sample size used in the BIC calculation (equivalent to sample size before multiple imputations)
old.prior (scalar) value of prior probability per marker used to calculate obj
prior (scalar) value of prior probability per marker for which probabilities are desired
p.sg proportion sampled in tails if selectively genotyping the population

Details

Summary information in obj including BIC values, posterior probabilities for models, marginal probabilities for model size, and marginal probabilities for markers is recalculated with the specified new values of delta and prior

Value

A list with components:

delta new value of delta used
prior new value of prior used
bic new value of bic for each model
postprob new value of posterior probability for each model
probne0 marginal probabilities for markers to be selected
postprob.size marginal probabilities for model size

Author(s)

R.D. Ball rod.ball@AT@scionresearch.com

See Also

bicreg.qtl, summary.bicreg.qtl

Examples

  ## Not run: recalc.bicprobs(ex1n1200c1.bicreg,old.prior=0.2,prior=0.1)

[Package BayesQTLBIC version 1.0-0 Index]