Nothing
## library(growcurves, quietly = TRUE)
context("dpgrowmult returns correct objects")
##
## Load simulation dataset without nuisance covariates
## (Two treatment levels, {0,1}, and no nuisance covariates)
##
data(datsimmult)
##
## function to run either mmcar, mmigrp or mmi options under dpgrow function
##
mod <- function(x, niter, nburn, nthin){
dpgrowmult(y = datsimmult$y, subject = datsimmult$subject, trt = datsimmult$trt, time = datsimmult$time,
n.random = datsimmult$n.random, n.fix_degree = 2, Omega = datsimmult$Omega, group = datsimmult$group,
subj.aff = datsimmult$subj.aff, W.subj.aff = datsimmult$W.subj.aff, n.iter = niter, n.burn = nburn,
n.thin = nthin, strength.mm = 0.1, shape.dp = 4, plot.out = TRUE, option = x, ulabs = paste("cbt",1:4,sep="_"))
}
test_that("dpgrowmult with multiple MM terms returns expected objects", {
option <- c("mmi","mmcar","mmi","mmcar")
niter <- 5
nburn <- 2
nthin <- 1
MMMULT <- mod(option,niter,nburn,nthin)
srm <- summary(MMMULT)$summary.results
parms <- samples(MMMULT)
pr <- MMMULT$plot.results
num.subj <- length(unique(datsimmult$subject))
nrandom <- ncol(srm$Z)
numt <- srm$numt
Nterms <- length(numt)
option <- srm$model
## evaluating class
expect_that(MMMULT,is_a("dpgrowmult"))
## evaluating summary output
## expect_that(length(names(srm)), equals(22))
expect_that(srm$u.summary, is_a("list"))
expect_that(length(option), equals(Nterms))
expect_that(nrow(srm$u.summary[[2]]), is_equivalent_to(numt[2]))
expect_that(nrow(srm$tauu.summary), is_equivalent_to(Nterms))
expect_that(srm$bmat.summary, is_a("list"))
## expect_that(names(srm)[16], matches("lpml"))
expect_that(ncol(srm$X),equals(5))
expect_match(colnames(srm$X),"time")
## evaluating MCMC sample results
expect_that(length(parms$Gamma), equals(length(option)))
expect_that(ncol(parms$Gamma[[2]]), is_equivalent_to(numt[2]))
expect_that(names(parms$Gamma), is_equivalent_to(as.character(srm$ulabs)))
expect_that(nrow(parms$M),is_equivalent_to((niter-nburn)/nthin))
expect_that(ncol(parms$B),is_equivalent_to(num.subj*nrandom))
expect_that(length(residuals(MMMULT)),equals(length(datsimmult$y)))
## checking plot output
## expect_that(length(names(pr)),equals(11))
## expect_that(names(pr)[11],matches("p.gcsel"))
})
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