plotcexor | R Documentation |
Visualization of ChIP-exo peak-pair calling with replicates.
plotcexor(bam, peaks, EXT=500)
bam |
BAM alignment files of biological replicates. |
peaks |
Object (list) output of the function 'cexor'. |
EXT |
Extension (bp) upstream and downstream the central position of reproducible peak pair locations for visulization purposes. |
Visualization of ChIP-exo peak-pair calling with replicates.
R plot.
Pedro Madrigal, pmadrigal@ebi.ac.uk
Madrigal P (2015) CexoR: an R/Bioconductor package to uncover high-resolution protein-DNA interactions in ChIP-exo replicates. EMBnet.journal 21: e837.
CexoR-package
## hg19. chr2:1-1,000,000. CTCF data from Rhee and Pugh (2011) owd <- setwd(tempdir()) rep1 <- "CTCF_rep1_chr2_1-1e6.bam" rep2 <- "CTCF_rep2_chr2_1-1e6.bam" rep3 <- "CTCF_rep3_chr2_1-1e6.bam" r1 <- system.file("extdata", rep1, package="CexoR",mustWork = TRUE) r2 <- system.file("extdata", rep2, package="CexoR",mustWork = TRUE) r3 <- system.file("extdata", rep3, package="CexoR",mustWork = TRUE) chipexo <- cexor(bam=c(r1,r2,r3), chrN="chr2", chrL=1e6, idr=0.01, p=1e-12, N=3e4) plotcexor(bam=c(r1,r2,r3), peaks=chipexo, EXT=500) setwd(owd)
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