# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# Load SNP microarray data
# (note to package developers: this example data set may
# be replaced in a future release of the package)
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
pathname <- system.file("data-ex/PairedPSCBS,exData,chr01.Rbin", package="PSCBS")
data <- R.utils::loadObject(pathname)
str(data)
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# Paired PSCBS segmentation
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# Drop single-locus outliers
dataS <- dropSegmentationOutliers(data)
# Speed up example by segmenting fewer loci
dataS <- dataS[seq(from=1, to=nrow(data), by=5),]
str(dataS)
gaps <- findLargeGaps(dataS, minLength=2e6)
knownSegments <- gapsToSegments(gaps)
# Paired PSCBS segmentation
fit <- segmentByPairedPSCBS(dataS, knownSegments=knownSegments,
seed=0xBEEF, verbose=-10)
# Fake a multi-chromosome segmentation
fit1 <- fit
fit2 <- renameChromosomes(fit, from=1, to=2)
fit <- append(fit1, fit2)
report(fit, sampleName="PairedPSCBS", studyName="PSCBS-Ex", verbose=-10)
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