Last data update: 2014.03.03
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R: Get depth of coverage from whole exome sequencing
getcoverage | R Documentation |
Get depth of coverage from whole exome sequencing
Description
Gets depth of coverage for each exon across all samples from whole exome
sequencing files.
Usage
getcoverage(bambedObj, mapqthres)
Arguments
bambedObj |
Object returned from getbambed
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mapqthres |
Mapping quality threshold hold of reads.
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Value
Y |
Read depth matrix
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readlength |
Vector of read length for each sample
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Author(s)
Yuchao Jiang yuchaoj@wharton.upenn.edu
See Also
getbambed
Examples
library(WES.1KG.WUGSC)
dirPath <- system.file("extdata", package = "WES.1KG.WUGSC")
bamFile <- list.files(dirPath, pattern = '*.bam$')
bamdir <- file.path(dirPath, bamFile)
sampnameFile <- file.path(dirPath, "sampname")
sampname <- as.matrix(read.table(sampnameFile))
chr <- 22
bambedObj <- getbambed(bamdir = bamdir, bedFile = file.path(dirPath,
"chr22_400_to_500.bed"), sampname = sampname,
projectname = "CODEX_demo", chr)
bamdir <- bambedObj$bamdir
sampname <- bambedObj$sampname
ref <- bambedObj$ref
projectname <- bambedObj$projectname
chr <- bambedObj$chr
coverageObj <- getcoverage(bambedObj, mapqthres = 20)
Y <- coverageObj$Y
readlength <- coverageObj$readlength
Results
R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)
R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.
R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.
Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.
> library(CODEX)
Loading required package: Rsamtools
Loading required package: GenomeInfoDb
Loading required package: stats4
Loading required package: BiocGenerics
Loading required package: parallel
Attaching package: 'BiocGenerics'
The following objects are masked from 'package:parallel':
clusterApply, clusterApplyLB, clusterCall, clusterEvalQ,
clusterExport, clusterMap, parApply, parCapply, parLapply,
parLapplyLB, parRapply, parSapply, parSapplyLB
The following objects are masked from 'package:stats':
IQR, mad, xtabs
The following objects are masked from 'package:base':
Filter, Find, Map, Position, Reduce, anyDuplicated, append,
as.data.frame, cbind, colnames, do.call, duplicated, eval, evalq,
get, grep, grepl, intersect, is.unsorted, lapply, lengths, mapply,
match, mget, order, paste, pmax, pmax.int, pmin, pmin.int, rank,
rbind, rownames, sapply, setdiff, sort, table, tapply, union,
unique, unsplit
Loading required package: S4Vectors
Attaching package: 'S4Vectors'
The following objects are masked from 'package:base':
colMeans, colSums, expand.grid, rowMeans, rowSums
Loading required package: IRanges
Loading required package: GenomicRanges
Loading required package: Biostrings
Loading required package: XVector
Loading required package: BSgenome.Hsapiens.UCSC.hg19
Loading required package: BSgenome
Loading required package: rtracklayer
Attaching package: 'CODEX'
The following object is masked from 'package:BiocGenerics':
normalize
> png(filename="/home/ddbj/snapshot/RGM3/R_BC/result/CODEX/getcoverage.Rd_%03d_medium.png", width=480, height=480)
> ### Name: getcoverage
> ### Title: Get depth of coverage from whole exome sequencing
> ### Aliases: getcoverage
> ### Keywords: package
>
> ### ** Examples
>
> library(WES.1KG.WUGSC)
> dirPath <- system.file("extdata", package = "WES.1KG.WUGSC")
> bamFile <- list.files(dirPath, pattern = '*.bam$')
> bamdir <- file.path(dirPath, bamFile)
> sampnameFile <- file.path(dirPath, "sampname")
> sampname <- as.matrix(read.table(sampnameFile))
> chr <- 22
> bambedObj <- getbambed(bamdir = bamdir, bedFile = file.path(dirPath,
+ "chr22_400_to_500.bed"), sampname = sampname,
+ projectname = "CODEX_demo", chr)
> bamdir <- bambedObj$bamdir
> sampname <- bambedObj$sampname
> ref <- bambedObj$ref
> projectname <- bambedObj$projectname
> chr <- bambedObj$chr
> coverageObj <- getcoverage(bambedObj, mapqthres = 20)
Getting coverage for sample NA06994: read length 100.
Getting coverage for sample NA10847: read length 100.
Getting coverage for sample NA11840: read length 100.
Getting coverage for sample NA12249: read length 100.
Getting coverage for sample NA12716: read length 100.
Getting coverage for sample NA12750: read length 100.
Getting coverage for sample NA12751: read length 100.
Getting coverage for sample NA12760: read length 100.
Getting coverage for sample NA12761: read length 100.
Getting coverage for sample NA12763: read length 100.
Getting coverage for sample NA18966: read length 100.
Getting coverage for sample NA18967: read length 100.
Getting coverage for sample NA18968: read length 100.
Getting coverage for sample NA18969: read length 100.
Getting coverage for sample NA18970: read length 100.
Getting coverage for sample NA18971: read length 100.
Getting coverage for sample NA18972: read length 100.
Getting coverage for sample NA18973: read length 100.
Getting coverage for sample NA18974: read length 100.
Getting coverage for sample NA18975: read length 100.
Getting coverage for sample NA18976: read length 100.
Getting coverage for sample NA18981: read length 100.
Getting coverage for sample NA18987: read length 100.
Getting coverage for sample NA18990: read length 100.
Getting coverage for sample NA18991: read length 100.
Getting coverage for sample NA19098: read length 100.
Getting coverage for sample NA19119: read length 100.
Getting coverage for sample NA19131: read length 100.
Getting coverage for sample NA19137: read length 100.
Getting coverage for sample NA19138: read length 100.
Getting coverage for sample NA19141: read length 100.
Getting coverage for sample NA19143: read length 100.
Getting coverage for sample NA19144: read length 100.
Getting coverage for sample NA19152: read length 100.
Getting coverage for sample NA19153: read length 100.
Getting coverage for sample NA19159: read length 100.
Getting coverage for sample NA19160: read length 100.
Getting coverage for sample NA19171: read length 100.
Getting coverage for sample NA19200: read length 100.
Getting coverage for sample NA19201: read length 100.
Getting coverage for sample NA19204: read length 100.
Getting coverage for sample NA19206: read length 100.
Getting coverage for sample NA19207: read length 100.
Getting coverage for sample NA19209: read length 100.
Getting coverage for sample NA19210: read length 100.
Getting coverage for sample NA19223: read length 100.
> Y <- coverageObj$Y
> readlength <- coverageObj$readlength
>
>
>
>
>
> dev.off()
null device
1
>
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