Mercurial > repos > theo.collard > ballgown_wrapper
changeset 8:fc910af29762 draft
Deleted selected files
author | theo.collard |
---|---|
date | Wed, 26 Apr 2017 08:46:36 -0400 |
parents | d90c633bef6c |
children | 970093a4a0fd |
files | ballgown/ballgown.R |
diffstat | 1 files changed, 0 insertions(+), 73 deletions(-) [+] |
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--- a/ballgown/ballgown.R Wed Apr 26 08:45:39 2017 -0400 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,73 +0,0 @@ -#!/usr/bin/Rscript - -# Enabling commands line arguments. Using optparse which allows to use options. -# ---------------------------------------------------------------------------------------- - -suppressMessages(library(optparse, warn.conflicts = FALSE)) -opt_list=list( -make_option(c("-d", "--directory"), type="character", default=NULL, help="directory containing the samples", metavar="character"), -make_option(c("-p", "--phendat"), type="character", default=NULL, help="phenotype data(must be a .csv file)", metavar="character"), -make_option(c("-t","--outputtranscript"), type="character", default="output_transcript.csv", help="output_transcript.csv: contains the transcripts of the expirements", metavar="character"), -make_option(c("-g","--outputgenes"), type="character", default="output_genes.csv", help="output_genes.csv: contains the genes of the expirements", metavar="character"), -make_option(c("-e","--texpression"), type="double", default="0.5", help="transcripts expression filter", metavar="character"), -make_option(c("--bgout"), type="character", default="", help="save the ballgown object created in the process", metavar="character") -) -opt_parser=OptionParser(option_list=opt_list) -opt=parse_args(opt_parser) - -# Loading required libraries. suppressMessages() remove all noisy attachement messages -# ---------------------------------------------------------------------------------------- - -suppressMessages(library(ballgown, warn.conflicts = FALSE)) -suppressMessages(library(genefilter, warn.conflicts = FALSE)) -suppressMessages(library(dplyr, warn.conflicts = FALSE)) - -# Setup for the tool with some bases variables. -# ---------------------------------------------------------------------------------------- - - -filtstr = opt$texpression -pdat = 2 -phendata = read.csv(opt$phendat) -setwd(opt$dir) - -# Checking if the pdata file has the right samples names. -# ---------------------------------------------------------------------------------------- - -if (all(phendata$ids == list.files(".")) != TRUE) -{ - stop("Your phenotype data table does not match the samples names. ") -} - -# Creation of the ballgown object based on data -# ---------------------------------------------------------------------------------------- -bgi = ballgown(dataDir= "." , samplePattern="", pData = phendata, verbose = FALSE) - -# Filter the genes with an expression superior to the input filter -# ---------------------------------------------------------------------------------------- -bgi_filt= subset(bgi, paste("rowVars(texpr(bgi)) >",filtstr), genomesubset = TRUE) - -# Creating the variables containing the transcripts and the genes and sorting them through the arrange() command. -# Checking if there's one or more adjust variables in the phenotype data file -# ---------------------------------------------------------------------------------------- - -if (ncol(pData(bgi))<=3) { - results_transcripts=stattest(bgi_filt,feature = "transcript", covariate = colnames(pData(bgi))[pdat], adjustvars = colnames(pData(bgi)[pdat+1]), getFC = TRUE, meas = "FPKM") - results_genes=stattest(bgi_filt,feature = "gene", covariate = colnames(pData(bgi))[pdat], adjustvars = colnames(pData(bgi)[pdat+1]), getFC = TRUE, meas = "FPKM") -} else { - results_transcripts=stattest(bgi_filt,feature = "transcript", covariate = colnames(pData(bgi))[pdat], adjustvars = c(colnames(pData(bgi)[pdat+1:ncol(pData(bgi))])), getFC = TRUE, meas = "FPKM") - results_genes=stattest(bgi_filt,feature = "gene", covariate = colnames(pData(bgi))[pdat], adjustvars = c(colnames(pData(bgi)[pdat+1:ncol(pData(bgi))])), getFC = TRUE, meas = "FPKM") -} - -results_transcripts = data.frame(geneNames=ballgown::geneNames(bgi_filt), geneIDs=ballgown::geneIDs(bgi_filt), results_transcripts) -results_transcripts = arrange(results_transcripts,pval) -results_genes = arrange(results_genes,pval) - -# Main output of the wrapper, two .csv files containing the genes and transcripts with their qvalue and pvalue -#This part also output the data of the ballgown object created in the process and save it in a R data file -# ---------------------------------------------------------------------------------------- -write.csv(results_transcripts, opt$outputtranscript, row.names = FALSE) -write.csv(results_genes, opt$outputgenes, row.names = FALSE) -if (opt$bgout != ""){ - save(bgi, file=opt$bgout) -}