Description Usage Arguments Value Examples
Calculate the NB VPC for one or more features following the model fitting function fit.NB().
1 | computeVPC.NB(para)
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para |
A G x 3 matrix of negative binomial fit parameters for G features, G≥q 1. The column order is intercept α_g, random effect σ_g^2 (σ_g^2≥q0), and dispersion φ (φ>0). |
A G x 1 matrix consisting of VPC for G features based on negative binomial mixed model. Column name is "NB-fit"; row names are the feature names.
1 2 3 4 5 6 7 8 9 10 11 | ## Compute VPC for each feature under negative binomial mixed model.
vpc.nb <- computeVPC.NB(para_nb)
## Visulize the distribution of the VPCs.
hist(vpc.nb, breaks = 50, col = "cyan")
## Plot sorted VPCs.
plot(sort(vpc.nb), ylab = "Heritability (h2)", ylim = c(0,1),
main = "Sorted NB VPC scores")
abline(h = 0.9, lty = 2, col = "red")
text(50, 0.92, "h2 = 0.9", col = "red")
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