Mercurial > repos > computational-metabolomics > mspurity_purityx
diff flagRemove.R @ 0:3db32ffd33b0 draft default tip
"planemo upload for repository https://github.com/computational-metabolomics/mspurity-galaxy commit 2579c8746819670348c378f86116f83703c493eb"
author | computational-metabolomics |
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date | Thu, 04 Mar 2021 12:11:29 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/flagRemove.R Thu Mar 04 12:11:29 2021 +0000 @@ -0,0 +1,197 @@ +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") + +) + +# nolint start +# 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" +# ), +# nolint end + +# 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")) + xcms::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") + quit() + } + 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"), version = 2) + + # 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{ + + # nolint start + # 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, + # + # } + # nolint end + + +}