Mercurial > repos > computational-metabolomics > mspurity_flagremove
diff flagRemove.R @ 0:5d0461edc7fd draft
"planemo upload for repository https://github.com/computational-metabolomics/mspurity-galaxy commit cb903cd93f9378cfb5eeb68512a54178dcea7bbc-dirty"
author | computational-metabolomics |
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date | Wed, 27 Nov 2019 12:40:15 -0500 |
parents | |
children | 8dcfbb7f917a |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/flagRemove.R Wed Nov 27 12:40:15 2019 -0500 @@ -0,0 +1,204 @@ +library(msPurity) +library(optparse) +print(sessionInfo()) +option_list <- list( + make_option(c("-o", "--out_dir"), type="character", default=getwd(), + help="Output folder for resulting files [default = %default]" + ), + make_option(c("-x", "--xset_path"), type="character", default=file.path(getwd(),"xset.rds"), + help="The path to the xcmsSet object [default = %default]" + ), + make_option("--polarity", default=NA, + help="polarity (just used for naming purpose for files being saved) [positive, negative, NA] [default %default]" + ), + make_option("--rsd_i_blank", default=100, + help="RSD threshold for the blank [default = %default]" + ), + make_option("--minfrac_blank", default=0.5, + help="minimum fraction of files for features needed for the blank [default = %default]" + ), + make_option("--rsd_rt_blank", default=100, + help="RSD threshold for the RT of the blank [default = %default]" + ), + + make_option("--ithres_blank", default=0, + help="Intensity threshold for the blank [default = %default]" + ), + make_option("--s2b", default=10, + help="fold change (sample/blank) needed for sample peak to be allowed. e.g. + if s2b set to 10 and the recorded sample 'intensity' value was 100 and blank was 10. + 1000/10 = 100, so sample has fold change higher than the threshold and the peak + is not considered a blank [default = %default]" + ), + make_option("--blank_class", default='blank', type="character", + help="A string representing the class that will be used for the blank.[default = %default]" + ), + make_option("--egauss_thr", default=NA, + help="Threshold for filtering out non gaussian shaped peaks. Note this only works + if the 'verbose columns' and 'fit gauss' was used with xcms + [default = %default]" + ), + make_option("--rsd_i_sample", default=100, + help="RSD threshold for the samples [default = %default]" + ), + make_option("--minfrac_sample", default=0.8, + help="minimum fraction of files for features needed for the samples [default = %default]" + ), + make_option("--rsd_rt_sample", default=100, + help="RSD threshold for the RT of the samples [default = %default]" + ), + make_option("--ithres_sample", default=5000, + help="Intensity threshold for the sample [default = %default]" + ), + make_option("--grp_rm_ids", default=NA, + help="vector of grouped_xcms peaks to remove (corresponds to the row from xcms::group output) + [default = %default]" + ), + make_option("--remove_spectra", action="store_true", + help=" TRUE if flagged spectra is to be removed [default = %default]" + ), + make_option("--minfrac_xcms", default=0.5, + help="minfrac for xcms grouping [default = %default]" + ), + make_option("--mzwid", default=0.001, + help="mzwid for xcms grouping [default = %default]" + ), + make_option("--bw", default=5, + help="bw for xcms grouping [default = %default]" + ), + + make_option("--temp_save", action="store_true", + help="Assign True if files for each step saved (for testing purposes) [default = %default]" + ), + + make_option("--samplelist", type="character", help="Sample list to determine the blank class") + + + + + +) + + #make_option("--multilist", action="store_true" + # help="NOT CURRENTLY IMPLEMENTED: If paired blank removal is to be performed a - multilist - sample list file has to be provided" + #), + +# store options +opt<- parse_args(OptionParser(option_list=option_list)) + +opt <- replace(opt, opt == "NA", NA) + + + + +if (is.null(opt$temp_save)){ + temp_save<-FALSE +}else{ + temp_save<-TRUE +} + +if (is.null(opt$remove_spectra)){ + remove_spectra<-FALSE +}else{ + remove_spectra<-TRUE +} + + +print(opt) + +getxcmsSetObject <- function(xobject) { + # XCMS 1.x + if (class(xobject) == "xcmsSet") + return (xobject) + # XCMS 3.x + if (class(xobject) == "XCMSnExp") { + # Get the legacy xcmsSet object + suppressWarnings(xset <- as(xobject, 'xcmsSet')) + sampclass(xset) <- xset@phenoData$sample_group + return (xset) + } +} + + +loadRData <- function(rdata_path, name){ +#loads an RData file, and returns the named xset object if it is there + load(rdata_path) + return(get(ls()[ls() %in% name])) +} + +xset <- getxcmsSetObject(loadRData(opt$xset_path, c('xset','xdata'))) + +print(xset) +if (is.null(opt$samplelist)){ + blank_class <- opt$blank_class +}else{ + samplelist <- read.table(opt$samplelist, sep='\t', header=TRUE) + samplelist_blank <- unique(samplelist$sample_class[samplelist$blank=='yes']) + + chosen_blank <- samplelist_blank[samplelist_blank %in% xset@phenoData$class] + if (length(chosen_blank)>1){ + print('ERROR: only 1 blank is currently allowed to be used with this tool') + exit() + } + blank_class <- as.character(chosen_blank) + print(blank_class) +} + + +if (is.null(opt$multilist)){ + ffrm_out <- flag_remove(xset, + pol=opt$polarity, + rsd_i_blank=opt$rsd_i_blank, + minfrac_blank=opt$minfrac_blank, + rsd_rt_blank=opt$rsd_rt_blank, + ithres_blank=opt$ithres_blank, + s2b=opt$s2b, + ref.class=blank_class, + egauss_thr=opt$egauss_thr, + rsd_i_sample=opt$rsd_i_sample, + minfrac_sample=opt$minfrac_sample, + rsd_rt_sample=opt$rsd_rt_sample, + ithres_sample=opt$ithres_sample, + minfrac_xcms=opt$minfrac_xcms, + mzwid=opt$mzwid, + bw=opt$bw, + out_dir=opt$out_dir, + temp_save=temp_save, + remove_spectra=remove_spectra, + grp_rm_ids=unlist(strsplit(as.character(opt$grp_rm_ids), split=", "))[[1]]) + print('flag remove finished') + xset <- ffrm_out[[1]] + grp_peaklist <- ffrm_out[[2]] + removed_peaks <- ffrm_out[[3]] + + save.image(file=file.path(opt$out_dir, 'xset_filtered.RData')) + + # grpid needed for mspurity ID needed for deconrank... (will clean up at some up) + peak_pth <- file.path(opt$out_dir, 'peaklist_filtered.tsv') + print(peak_pth) + write.table(data.frame('grpid'=rownames(grp_peaklist), 'ID'=rownames(grp_peaklist), grp_peaklist), + peak_pth, row.names=FALSE, sep='\t') + + removed_peaks <- data.frame(removed_peaks) + write.table(data.frame('ID'=rownames(removed_peaks),removed_peaks), + file.path(opt$out_dir, 'removed_peaks.tsv'), row.names=FALSE, sep='\t') + +}else{ + + + # TODO + #xsets <- split(xset, multilist_df$multlist) + # + #mult_grps <- unique(multilist_df$multlist) + # + #for (mgrp in mult_grps){ + # xset_i <- xsets[mgrp] + # xcms::group(xset_i, + # + # } + + + +} + +