Nothing
nbinomTestLess <-
function (cds, condA, condB, pvals_only = FALSE, eps = NULL)
{
stopifnot(is(cds, "CountDataSet"))
if (all(is.na(dispTable(cds))))
stop("Call 'estimateDispersions' first.")
if (dispTable(cds)[condA] == "blind" || dispTable(cds)[condB] ==
"blind") {
if (fitInfo(cds, "blind")$sharingMode != "fit-only")
warning("You have used 'method=\"blind\"' in estimateDispersion without also setting 'sharingMode=\"fit-only\"'. This will not yield useful results.")
}
stopifnot(condA %in% levels(conditions(cds)))
stopifnot(condB %in% levels(conditions(cds)))
if (!is.null(eps))
warning("The 'eps' argument is defunct and hence ignored.")
colA <- conditions(cds) == condA
colB <- conditions(cds) == condB
bmv <- getBaseMeansAndVariances(counts(cds)[, colA | colB],
sizeFactors(cds)[colA | colB])
rawScvA <- fData(cds)[, paste("disp", dispTable(cds)[condA],
sep = "_")]
rawScvB <- fData(cds)[, paste("disp", dispTable(cds)[condB],
sep = "_")]
pval <- nbinomTestForMatricesLess(counts(cds)[, colA], counts(cds)[,
colB], sizeFactors(cds)[colA], sizeFactors(cds)[colB],
rawScvA, rawScvB)
if (pvals_only)
pval
else {
bmvA <- getBaseMeansAndVariances(counts(cds)[, colA],
sizeFactors(cds)[colA])
bmvB <- getBaseMeansAndVariances(counts(cds)[, colB],
sizeFactors(cds)[colB])
data.frame(id = rownames(counts(cds)), baseMean = bmv$baseMean,
baseMeanA = bmvA$baseMean, baseMeanB = bmvB$baseMean,
foldChange = bmvB$baseMean/bmvA$baseMean, log2FoldChange = log2(bmvB$baseMean/bmvA$baseMean),
pval = pval, padj = p.adjust(pval, method = "BH"),
stringsAsFactors = FALSE)
}
}
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