Mercurial > repos > devteam > dwt_var_perclass
diff execute_dwt_var_perClass.pl @ 0:cb422b6f49d2 draft
Imported from capsule None
author | devteam |
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date | Mon, 27 Jan 2014 09:26:11 -0500 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/execute_dwt_var_perClass.pl Mon Jan 27 09:26:11 2014 -0500 @@ -0,0 +1,320 @@ +#!/usr/bin/perl -w + +use warnings; +use IO::Handle; +use POSIX qw(floor ceil); + +# example: perl execute_dwt_var_perClass.pl hg18_NCNR_10bp_3flanks_deletionHotspot_data_del.txt deletionHotspot 3flanks del + +$usage = "execute_dwt_var_perClass.pl [TABULAR.in] [TABULAR.out] [TABULAR.out] [PDF.out] \n"; +die $usage unless @ARGV == 4; + +#get the input arguments +my $inputFile = $ARGV[0]; +my $firstOutputFile = $ARGV[1]; +my $secondOutputFile = $ARGV[2]; +my $thirdOutputFile = $ARGV[3]; + +open (INPUT, "<", $inputFile) || die("Could not open file $inputFile \n"); +open (OUTPUT1, ">", $firstOutputFile) || die("Could not open file $firstOutputFile \n"); +open (OUTPUT2, ">", $secondOutputFile) || die("Could not open file $secondOutputFile \n"); +open (OUTPUT3, ">", $thirdOutputFile) || die("Could not open file $thirdOutputFile \n"); +open (ERROR, ">", "error.txt") or die ("Could not open file error.txt \n"); + +#save all error messages into the error file $errorFile using the error file handle ERROR +STDERR -> fdopen( \*ERROR, "w" ) or die ("Could not direct errors to the error file error.txt \n"); + +# choosing meaningful names for the output files +$max_dwt = $firstOutputFile; +$pvalue = $secondOutputFile; +$pdf = $thirdOutputFile; + +# count the number of columns in the input file +while($buffer = <INPUT>){ + #if ($buffer =~ m/interval/){ + chomp($buffer); + $buffer =~ s/^#\s*//; + @contrl = split(/\t/, $buffer); + last; + #} +} +print "The number of columns in the input file is: " . (@contrl) . "\n"; +print "\n"; + +# count the number of motifs in the input file +$count = 0; +for ($i = 0; $i < @contrl; $i++){ + $count++; + print "# $contrl[$i]\n"; +} +print "The number of motifs in the input file is: $count \n"; + +# check if the number of motifs is not a multiple of 12, and round up is so +$count2 = ($count/12); +if ($count2 =~ m/(\D)/){ + print "the number of motifs is not a multiple of 12 \n"; + $count2 = ceil($count2); +} +else { + print "the number of motifs is a multiple of 12 \n"; +} +print "There will be $count2 subfiles\n\n"; + +# split infile into subfiles only 12 motif per file for R plotting +for ($x = 1; $x <= $count2; $x++){ + $a = (($x - 1) * 12 + 1); + $b = $x * 12; + + if ($x < $count2){ + print "# data.short $x <- data_test[, +c($a:$b)]; \n"; + } + else{ + print "# data.short $x <- data_test[, +c($a:ncol(data_test)]; \n"; + } +} + +print "\n"; +print "There are 4 output files: \n"; +print "The first output file is a pdf file\n"; +print "The second output file is a max_dwt file\n"; +print "The third output file is a pvalues file\n"; +print "The fourth output file is a test_final_pvalues file\n"; + +# write R script +$r_script = "get_dwt_varPermut_getMax.r"; +print "The R file name is: $r_script \n"; + +open(Rcmd, ">", "$r_script") or die "Cannot open $r_script \n\n"; + +print Rcmd " + ###################################################################### + # plot power spectra, i.e. wavelet variance by class + # add code to create null bands by permuting the original data series + # get class of maximum significant variance per feature + # generate plots and table matrix of variance including p-values + ###################################################################### + library(\"Rwave\"); + library(\"wavethresh\"); + library(\"waveslim\"); + + options(echo = FALSE) + + # normalize data + norm <- function(data){ + v <- (data-mean(data))/sd(data); + if(sum(is.na(v)) >= 1){ + v<-data; + } + return(v); + } + + dwt_var_permut_getMax <- function(data, names, filter = 4, bc = \"symmetric\", method = \"kendall\", wf = \"haar\", boundary = \"reflection\") { + max_var = NULL; + matrix = NULL; + title = NULL; + final_pvalue = NULL; + short.levels = NULL; + scale = NULL; + + print(names); + + par(mfcol = c(length(names), length(names)), mar = c(0, 0, 0, 0), oma = c(4, 3, 3, 2), xaxt = \"s\", cex = 1, las = 1); + + short.levels <- wd(data[, 1], filter.number = filter, bc = bc)\$nlevels; + + title <- c(\"motif\"); + for (i in 1:short.levels){ + title <- c(title, paste(i, \"var\", sep = \"_\"), paste(i, \"pval\", sep = \"_\"), paste(i, \"test\", sep = \"_\")); + } + print(title); + + # normalize the raw data + data<-apply(data,2,norm); + + for(i in 1:length(names)){ + for(j in 1:length(names)){ + temp = NULL; + results = NULL; + wave1.dwt = NULL; + out = NULL; + + out <- vector(length = length(title)); + temp <- vector(length = short.levels); + + if(i < j) { + plot(temp, type = \"n\", axes = FALSE, xlab = NA, ylab = NA); + box(col = \"grey\"); + grid(ny = 0, nx = NULL); + } else { + if (i > j){ + plot(temp, type = \"n\", axes = FALSE, xlab = NA, ylab = NA); + box(col = \"grey\"); + grid(ny = 0, nx = NULL); + } else { + + wave1.dwt <- dwt(data[, i], wf = wf, short.levels, boundary = boundary); + + temp_row = (short.levels + 1 ) * -1; + temp_col = 1; + temp <- wave.variance(wave1.dwt)[temp_row, temp_col]; + + #permutations code : + feature1 = NULL; + null = NULL; + var_25 = NULL; + var_975 = NULL; + med = NULL; + + feature1 = data[, i]; + for (k in 1:1000) { + nk_1 = NULL; + null.levels = NULL; + var = NULL; + null_wave1 = NULL; + + nk_1 = sample(feature1, length(feature1), replace = FALSE); + null.levels <- wd(nk_1, filter.number = filter, bc = bc)\$nlevels; + var <- vector(length = length(null.levels)); + null_wave1 <- dwt(nk_1, wf = wf, short.levels, boundary = boundary); + var<- wave.variance(null_wave1)[-8, 1]; + null= rbind(null, var); + } + null <- apply(null, 2, sort, na.last = TRUE); + var_25 <- null[25, ]; + var_975 <- null[975, ]; + med <- (apply(null, 2, median, na.rm = TRUE)); + + # plot + results <- cbind(temp, var_25, var_975); + matplot(results, type = \"b\", pch = \"*\", lty = 1, col = c(1, 2, 2), axes = F); + + # get pvalues by comparison to null distribution + out <- (names[i]); + for (m in 1:length(temp)){ + print(paste(\"scale\", m, sep = \" \")); + print(paste(\"var\", temp[m], sep = \" \")); + print(paste(\"med\", med[m], sep = \" \")); + pv = tail = NULL; + out <- c(out, format(temp[m], digits = 3)); + if (temp[m] >= med[m]){ + # R tail test + print(\"R\"); + tail <- \"R\"; + pv <- (length(which(null[, m] >= temp[m])))/(length(na.exclude(null[, m]))); + + } else { + if (temp[m] < med[m]){ + # L tail test + print(\"L\"); + tail <- \"L\"; + pv <- (length(which(null[, m] <= temp[m])))/(length(na.exclude(null[, m]))); + } + } + out <- c(out, pv); + print(pv); + out <- c(out, tail); + } + final_pvalue <-rbind(final_pvalue, out); + + + # get variances outside null bands by comparing temp to null + ## temp stores variance for each scale, and null stores permuted variances for null bands + for (n in 1:length(temp)){ + if (temp[n] <= var_975[n]){ + temp[n] <- NA; + } else { + temp[n] <- temp[n]; + } + } + matrix <- rbind(matrix, temp) + } + } + # labels + if (i == 1){ + mtext(names[j], side = 2, line = 0.5, las = 3, cex = 0.25); + } + if (j == 1){ + mtext(names[i], side = 3, line = 0.5, cex = 0.25); + } + if (j == length(names)){ + axis(1, at = (1:short.levels), las = 3, cex.axis = 0.5); + } + } + } + colnames(final_pvalue) <- title; + #write.table(final_pvalue, file = \"test_final_pvalue.txt\", sep = \"\\t\", quote = FALSE, row.names = FALSE, append = TRUE); + + # get maximum variance larger than expectation by comparison to null bands + varnames <- vector(); + for(i in 1:length(names)){ + name1 = paste(names[i], \"var\", sep = \"_\") + varnames <- c(varnames, name1) + } + rownames(matrix) <- varnames; + colnames(matrix) <- (1:short.levels); + max_var <- names; + scale <- vector(length = length(names)); + for (x in 1:nrow(matrix)){ + if (length(which.max(matrix[x, ])) == 0){ + scale[x] <- NA; + } + else{ + scale[x] <- colnames(matrix)[which.max(matrix[x, ])]; + } + } + max_var <- cbind(max_var, scale); + write.table(max_var, file = \"$max_dwt\", sep = \"\\t\", quote = FALSE, row.names = FALSE, append = TRUE); + return(final_pvalue); + }\n"; + +print Rcmd " + # execute + # read in data + + data_test = NULL; + data_test <- read.delim(\"$inputFile\"); + + pdf(file = \"$pdf\", width = 11, height = 8); + + # loop to read and execute on all $count2 subfiles + final = NULL; + for (x in 1:$count2){ + sub = NULL; + sub_names = NULL; + a = NULL; + b = NULL; + + a = ((x - 1) * 12 + 1); + b = x * 12; + + if (x < $count2){ + sub <- data_test[, +c(a:b)]; + sub_names <- colnames(data_test)[a:b]; + final <- rbind(final, dwt_var_permut_getMax(sub, sub_names)); + } + else{ + sub <- data_test[, +c(a:ncol(data_test))]; + sub_names <- colnames(data_test)[a:ncol(data_test)]; + final <- rbind(final, dwt_var_permut_getMax(sub, sub_names)); + + } + } + + dev.off(); + + write.table(final, file = \"$pvalue\", sep = \"\\t\", quote = FALSE, row.names = FALSE); + + #eof\n"; + +close Rcmd; + +system("echo \"wavelet ANOVA started on \`hostname\` at \`date\`\"\n"); +system("R --no-restore --no-save --no-readline < $r_script > $r_script.out"); +system("echo \"wavelet ANOVA ended on \`hostname\` at \`date\`\"\n"); + +#close the input and output and error files +close(ERROR); +close(OUTPUT3); +close(OUTPUT2); +close(OUTPUT1); +close(INPUT); \ No newline at end of file