Nothing
test_that("toGraphviz() is backwards compatible.", {
## Subset of a build-in dataset
mydat <- ex0.dag.data[,c("b1","b2","b3","g1","b4","p2","p4")]
## setup distribution list for each node
mydists <- list(b1="binomial", b2="binomial", b3="binomial",
g1="gaussian", b4="binomial", p2="poisson",
p4="poisson")
## specify DAG model
mydag <- matrix(c( 0,1,0,0,1,0,0, #
0,0,0,0,0,0,0, #
0,1,0,0,1,0,0, #
1,0,0,0,0,0,1, #
0,0,0,0,0,0,0, #
0,0,0,1,0,0,0, #
0,0,0,0,1,0,0 #
), byrow=TRUE, ncol=7)
colnames(mydag) <- rownames(mydag) <- names(mydat)
## create file for processing with graphviz
# outfile <- "graph1.dot"
outfile <- tempfile(fileext = ".dot")
expect_no_error({
toGraphviz(dag=mydag, data.df=mydat, data.dists=mydists, outfile=outfile)
})
expect_snapshot_file(path = outfile, name = "graph1.dot")
## check if works without a specific outfile
expect_no_error({
toGraphviz(dag=mydag, data.df=mydat, data.dists=mydists, outfile=NULL)
})
## Example using data with a group variable where b1<-b2
mydag <- matrix(c(0,1, 0,0), byrow=TRUE, ncol=2)
colnames(mydag) <- rownames(mydag) <- names(ex3.dag.data[,c(1,2)])
## specific distributions
mydists <- list(b1="binomial", b2="binomial")
## create file for processing with graphviz
outfile <- tempfile(fileext = ".dot")
# outfile <- "graph_group.dot"
expect_no_error({
toGraphviz(dag=mydag, data.df=ex3.dag.data[,c(1,2,14)], data.dists=mydists,
group.var="group",
outfile=outfile, directed=FALSE)
})
expect_snapshot_file(outfile, "graph_group.dot")
})
test_that("toGraphviz() works with all distributions.", {
capture.output({
suppressMessages({
df <- FCV[, c(11:15)]
mydists <- list(Pedigree="binomial",
Outdoor="binomial",
Sex="multinomial",
GroupSize="poisson",
Age="gaussian")
mydists <- mydists[-1] # remove grouping variable from distribution list
## buildScoreCache -> mostProbable() -> fitAbn()
expect_no_error({
suppressWarnings({
mycache.mle <- buildScoreCache(data.df = df, data.dists = mydists, method = "mle",
group.var = "Pedigree",
adj.vars = NULL, cor.vars = NULL,
dag.banned = NULL, dag.retained = NULL,
max.parents = 3,
which.nodes = NULL, defn.res = NULL)
}) # ignore non-convergence warnings
})
expect_no_error({
mp.dag.mle <- mostProbable(score.cache = mycache.mle, verbose = FALSE)
})
expect_no_error({
suppressWarnings({
myres.mle <- fitAbn(object = mp.dag.mle, method = "mle")
})
})
})
})
# Check if works as it should
# ...with dag as "abnFit"
expect_no_error({
toGraphviz(dag=myres.mle,
# data.df=df,
# data.dists=mydists,
# group.var = "Pedigree",
outfile=NULL)
})
# ...with dag as matrix
expect_no_error({
toGraphviz(dag=myres.mle$abnDag$dag,
data.df=df,
data.dists=myres.mle$abnDag$data.dists,
group.var = myres.mle$group.var,
outfile=NULL)
})
# ...with dag as "abnLearned"
expect_no_error({
toGraphviz(dag=mp.dag.mle,
data.df=df,
data.dists=mydists,
group.var = "Pedigree",
outfile=NULL)
})
# Check if error if missing group.var
# ...with dag as matrix
expect_error({
expect_warning({
toGraphviz(dag=myres.mle$abnDag$dag,
data.df=df,
data.dists=myres.mle$abnDag$data.dists,
group.var = NULL,
outfile=NULL)
})
})
# ...with dag as "abnLearned"
expect_error({
toGraphviz(dag=mp.dag.mle,
data.df=df,
data.dists=mydists,
group.var = NULL,
outfile=NULL)
})
# Check if warning if dag as "abnFit" for variables that are being ignored in this case
expect_warning({
toGraphviz(dag=myres.mle,
data.df=df,
data.dists=mydists,
group.var = "Pedigree",
outfile=NULL)
})
# Check if error if unknown dists provided
wrong_dists <- myres.mle$abnDag$data.dists
wrong_dists[[1]] <- "foo"
# ...with dag as matrix
expect_error({
toGraphviz(dag=myres.mle$abnDag$dag,
data.df=df,
data.dists=wrong_dists,
group.var = myres.mle$group.var,
outfile=NULL)
})
# ...with dag as "abnLearned"
expect_error({
toGraphviz(dag=mp.dag.mle,
data.df=df,
data.dists=wrong_dists,
group.var = "Pedigree",
outfile=NULL)
})
# check if works with a specific outfile
outfile <- tempfile(fileext = ".dot")
# ...with dag as "abnFit"
expect_no_error({
toGraphviz(dag=myres.mle,
# data.df=df,
# data.dists=mydists,
# group.var = "Pedigree",
outfile=outfile)
})
expect_snapshot_file(outfile, "graph.dot")
# ...with dag as matrix
outfile <- tempfile(fileext = ".dot")
expect_no_error({
toGraphviz(dag=myres.mle$abnDag$dag,
data.df=df,
data.dists=myres.mle$abnDag$data.dists,
group.var = myres.mle$group.var,
outfile=outfile)
})
expect_snapshot_file(outfile, "graph.dot")
# ...with dag as "abnLearned"
outfile <- tempfile(fileext = ".dot")
expect_no_error({
toGraphviz(dag=mp.dag.mle,
data.df=df,
data.dists=mydists,
group.var = "Pedigree",
outfile=outfile)
})
expect_snapshot_file(outfile, "graph.dot")
})
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