Nothing
context("plot_scan1")
test_that("plot_scan1 works", {
skip_if(isnt_karl(), "plot tests only run locally")
iron <- read_cross2(system.file("extdata", "iron.zip", package="qtl2"))
map <- insert_pseudomarkers(iron$gmap, step=1)
probs <- calc_genoprob(iron, map, error_prob=0.002)
pheno <- iron$pheno
covar <- match(iron$covar$sex, c("f", "m")) # make numeric
names(covar) <- rownames(iron$covar)
Xcovar <- get_x_covar(iron)
out <- scan1(probs, pheno, addcovar=covar, Xcovar=Xcovar)
ylim <- c(0, maxlod(out)*1.02) # need to strip class to get overall max LOD
chr <- c(2,7,8,9,15,16)
test_plot_scan1 <- function() {
plot(out, map, chr=chr, ylim=ylim)
plot(out, map, lodcolumn=2, chr=chr, col="violetred", add=TRUE)
legend("topleft", lwd=2, col=c("darkslateblue", "violetred"), colnames(out),
bg="gray90") }
expect_doppelganger("plot_scan1", test_plot_scan1)
# single chromosome
test_plot_scan1_onechr <- function() plot(out, map, chr=2)
expect_doppelganger("plot_scan1_onechr", test_plot_scan1_onechr)
})
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