comparison flagRemove.R @ 0:f075f67c7416 draft

planemo upload for repository https://github.com/computational-metabolomics/mspurity-galaxy commit 2948ce35fa7fffe5a64711cb30be971031e79019-dirty
author tomnl
date Fri, 24 May 2019 08:59:45 -0400
parents
children 52999a8b46fb
comparison
equal deleted inserted replaced
-1:000000000000 0:f075f67c7416
1 library(msPurity)
2 library(optparse)
3 print(sessionInfo())
4 option_list <- list(
5 make_option(c("-o", "--out_dir"), type="character", default=getwd(),
6 help="Output folder for resulting files [default = %default]"
7 ),
8 make_option(c("-x", "--xset_path"), type="character", default=file.path(getwd(),"xset.rds"),
9 help="The path to the xcmsSet object [default = %default]"
10 ),
11 make_option("--polarity", default=NA,
12 help="polarity (just used for naming purpose for files being saved) [positive, negative, NA] [default %default]"
13 ),
14 make_option("--rsd_i_blank", default=100,
15 help="RSD threshold for the blank [default = %default]"
16 ),
17 make_option("--minfrac_blank", default=0.5,
18 help="minimum fraction of files for features needed for the blank [default = %default]"
19 ),
20 make_option("--rsd_rt_blank", default=100,
21 help="RSD threshold for the RT of the blank [default = %default]"
22 ),
23
24 make_option("--ithres_blank", default=0,
25 help="Intensity threshold for the blank [default = %default]"
26 ),
27 make_option("--s2b", default=10,
28 help="fold change (sample/blank) needed for sample peak to be allowed. e.g.
29 if s2b set to 10 and the recorded sample 'intensity' value was 100 and blank was 10.
30 1000/10 = 100, so sample has fold change higher than the threshold and the peak
31 is not considered a blank [default = %default]"
32 ),
33 make_option("--blank_class", default='blank', type="character",
34 help="A string representing the class that will be used for the blank.[default = %default]"
35 ),
36 make_option("--egauss_thr", default=NA,
37 help="Threshold for filtering out non gaussian shaped peaks. Note this only works
38 if the 'verbose columns' and 'fit gauss' was used with xcms
39 [default = %default]"
40 ),
41 make_option("--rsd_i_sample", default=100,
42 help="RSD threshold for the samples [default = %default]"
43 ),
44 make_option("--minfrac_sample", default=0.8,
45 help="minimum fraction of files for features needed for the samples [default = %default]"
46 ),
47 make_option("--rsd_rt_sample", default=100,
48 help="RSD threshold for the RT of the samples [default = %default]"
49 ),
50 make_option("--ithres_sample", default=5000,
51 help="Intensity threshold for the sample [default = %default]"
52 ),
53 make_option("--grp_rm_ids", default=NA,
54 help="vector of grouped_xcms peaks to remove (corresponds to the row from xcms::group output)
55 [default = %default]"
56 ),
57 make_option("--remove_spectra", action="store_true",
58 help=" TRUE if flagged spectra is to be removed [default = %default]"
59 ),
60 make_option("--minfrac_xcms", default=0.5,
61 help="minfrac for xcms grouping [default = %default]"
62 ),
63 make_option("--mzwid", default=0.001,
64 help="mzwid for xcms grouping [default = %default]"
65 ),
66 make_option("--bw", default=5,
67 help="bw for xcms grouping [default = %default]"
68 ),
69
70 make_option("--temp_save", action="store_true",
71 help="Assign True if files for each step saved (for testing purposes) [default = %default]"
72 ),
73
74 make_option("--samplelist", type="character", help="Sample list to determine the blank class"),
75
76 make_option("--xset_name", default="xset",
77 help="Name of the xcmsSet object within the RData file [default = %default]"
78 )
79
80
81
82 )
83
84 #make_option("--multilist", action="store_true"
85 # help="NOT CURRENTLY IMPLEMENTED: If paired blank removal is to be performed a - multilist - sample list file has to be provided"
86 #),
87
88 # store options
89 opt<- parse_args(OptionParser(option_list=option_list))
90
91 opt <- replace(opt, opt == "NA", NA)
92
93
94
95
96 if (is.null(opt$temp_save)){
97 temp_save<-FALSE
98 }else{
99 temp_save<-TRUE
100 }
101
102 if (is.null(opt$remove_spectra)){
103 remove_spectra<-FALSE
104 }else{
105 remove_spectra<-TRUE
106 }
107
108
109 print(opt)
110
111 loadRData <- function(rdata_path, xset_name){
112 #loads an RData file, and returns the named xset object if it is there
113 load(rdata_path)
114 return(get(ls()[ls() == xset_name]))
115 }
116
117 xset<-loadRData(opt$xset_path, opt$xset_name)
118 print(xset)
119 if (is.null(opt$samplelist)){
120 blank_class <- opt$blank_class
121 }else{
122 samplelist <- read.table(opt$samplelist, sep='\t', header=TRUE)
123 samplelist_blank <- unique(samplelist$sample_class[samplelist$blank=='yes'])
124
125 chosen_blank <- samplelist_blank[samplelist_blank %in% xset@phenoData$class]
126 if (length(chosen_blank)>1){
127 print('ERROR: only 1 blank is currently allowed to be used with this tool')
128 exit()
129 }
130 blank_class <- as.character(chosen_blank)
131 print(blank_class)
132 }
133
134
135 if (is.null(opt$multilist)){
136 ffrm_out <- flag_remove(xset,
137 pol=opt$polarity,
138 rsd_i_blank=opt$rsd_i_blank,
139 minfrac_blank=opt$minfrac_blank,
140 rsd_rt_blank=opt$rsd_rt_blank,
141 ithres_blank=opt$ithres_blank,
142 s2b=opt$s2b,
143 ref.class=blank_class,
144 egauss_thr=opt$egauss_thr,
145 rsd_i_sample=opt$rsd_i_sample,
146 minfrac_sample=opt$minfrac_sample,
147 rsd_rt_sample=opt$rsd_rt_sample,
148 ithres_sample=opt$ithres_sample,
149 minfrac_xcms=opt$minfrac_xcms,
150 mzwid=opt$mzwid,
151 bw=opt$bw,
152 out_dir=opt$out_dir,
153 temp_save=temp_save,
154 remove_spectra=remove_spectra,
155 grp_rm_ids=unlist(strsplit(as.character(opt$grp_rm_ids), split=", "))[[1]])
156 print('flag remove finished')
157 xset <- ffrm_out[[1]]
158 grp_peaklist <- ffrm_out[[2]]
159 removed_peaks <- ffrm_out[[3]]
160
161 save.image(file=file.path(opt$out_dir, 'xset_filtered.RData'))
162
163 # grpid needed for mspurity ID needed for deconrank... (will clean up at some up)
164 peak_pth <- file.path(opt$out_dir, 'peaklist_filtered.tsv')
165 print(peak_pth)
166 write.table(data.frame('grpid'=rownames(grp_peaklist), 'ID'=rownames(grp_peaklist), grp_peaklist),
167 peak_pth, row.names=FALSE, sep='\t')
168
169 removed_peaks <- data.frame(removed_peaks)
170 write.table(data.frame('ID'=rownames(removed_peaks),removed_peaks),
171 file.path(opt$out_dir, 'removed_peaks.tsv'), row.names=FALSE, sep='\t')
172
173 }else{
174
175
176 # TODO
177 #xsets <- split(xset, multilist_df$multlist)
178 #
179 #mult_grps <- unique(multilist_df$multlist)
180 #
181 #for (mgrp in mult_grps){
182 # xset_i <- xsets[mgrp]
183 # xcms::group(xset_i,
184 #
185 # }
186
187
188
189 }
190
191