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Type 'q()' to quit R. > library(DRomics) Loading required package: limma Loading required package: DESeq2 Loading required package: S4Vectors Loading required package: stats4 Loading required package: BiocGenerics Attaching package: 'BiocGenerics' The following object is masked from 'package:limma': plotMA The following objects are masked from 'package:stats': IQR, mad, sd, var, xtabs The following objects are masked from 'package:base': Filter, Find, Map, Position, Reduce, anyDuplicated, aperm, append, as.data.frame, basename, cbind, colnames, dirname, do.call, duplicated, eval, evalq, get, grep, grepl, intersect, is.unsorted, lapply, mapply, match, mget, order, paste, pmax, pmax.int, pmin, pmin.int, rank, rbind, rownames, sapply, setdiff, table, tapply, union, unique, unsplit, which.max, which.min Attaching package: 'S4Vectors' The following object is masked from 'package:utils': findMatches The following objects are masked from 'package:base': I, expand.grid, unname Loading required package: IRanges Attaching package: 'IRanges' The following object is masked from 'package:grDevices': windows Loading required package: GenomicRanges Loading required package: GenomeInfoDb Loading required package: SummarizedExperiment Loading required package: MatrixGenerics Loading required package: matrixStats Attaching package: 'MatrixGenerics' The following objects are masked from 'package:matrixStats': colAlls, colAnyNAs, colAnys, colAvgsPerRowSet, colCollapse, colCounts, colCummaxs, colCummins, colCumprods, colCumsums, colDiffs, colIQRDiffs, colIQRs, colLogSumExps, colMadDiffs, colMads, colMaxs, colMeans2, colMedians, colMins, colOrderStats, colProds, colQuantiles, colRanges, colRanks, colSdDiffs, colSds, colSums2, colTabulates, colVarDiffs, colVars, colWeightedMads, colWeightedMeans, colWeightedMedians, colWeightedSds, colWeightedVars, rowAlls, rowAnyNAs, rowAnys, rowAvgsPerColSet, rowCollapse, rowCounts, rowCummaxs, rowCummins, rowCumprods, rowCumsums, rowDiffs, rowIQRDiffs, rowIQRs, rowLogSumExps, rowMadDiffs, rowMads, rowMaxs, rowMeans2, rowMedians, rowMins, rowOrderStats, rowProds, rowQuantiles, rowRanges, rowRanks, rowSdDiffs, rowSds, rowSums2, rowTabulates, rowVarDiffs, rowVars, rowWeightedMads, rowWeightedMeans, rowWeightedMedians, rowWeightedSds, rowWeightedVars Loading required package: Biobase Welcome to Bioconductor Vignettes contain introductory material; view with 'browseVignettes()'. To cite Bioconductor, see 'citation("Biobase")', and for packages 'citation("pkgname")'. Attaching package: 'Biobase' The following object is masked from 'package:MatrixGenerics': rowMedians The following objects are masked from 'package:matrixStats': anyMissing, rowMedians DRomics has been loaded. !!!! IMPORTANT CHANGES IN DEFAULT PLOT ARGUMENTS !!!! Now all the plot functions use by default a log10 scale for dose and BMD values, except curvesplot(), for which the use of a dose log scale requires the specification by the user of a non null minimal value (xmin). We also put the default value of the argument scaling at TRUE in curvesplot() and bmdplotwithgradient(), to focus on shapes of dose-responses rather than on their amplitude. > visualize <- FALSE # put to TRUE for a manual check of plots > doboot <- FALSE > > > if(visualize) + { + + # Impact of ratio2switchinlog and minBMD on a toy example + # + # datafilename <- system.file("extdata", "transcripto_very_small_sample.txt", package="DRomics") + datafilename <- system.file("extdata", "transcripto_sample.txt", package="DRomics") + (o <- microarraydata(datafilename, check = TRUE, norm.method = "cyclicloess")) + (s_quad <- itemselect(o, select.method = "quadratic", FDR = 0.01)) + (f <- drcfit(s_quad, progressbar = TRUE)) + (r <- bmdcalc(f)) + plot(r) + r$res + (r <- bmdcalc(f, ratio2switchinlog = 1)) + plot(r) + (r <- bmdcalc(f, minBMD = 2)) + plot(r) + (r <- bmdcalc(f, minBMD = 2, ratio2switchinlog = 1)) + plot(r) + + # check of defensive prog + # (r <- bmdcalc(f, minBMD = 0)) + # (r <- bmdcalc(f, minBMD = 1)) # 1 > minimal non null dose + + + # look at BMR in the output + (r <- bmdcalc(f, z = 2, x = 20)) + r$res + r$minBMD + + # bootstrap after forcing minBMD to a high value + # without anay interest, but just to test bmdboot + (r <- bmdcalc(f, minBMD = 2)) + (b <- bmdboot(r, niter = 100)) # with a non reasonable value for niter + b$res + plot(b) # plot of BMD.zSD after removing of BMDs with infinite upper bounds + + # and with minBMD to its default value (dosemin/100) + (r <- bmdcalc(f)) + (b <- bmdboot(r, niter = 100)) # with a non reasonable value for niter + plot(b) # plot of BMD.zSD after removing of BMDs with infinite upper bounds + + + # using an RNAseq example + # subsample + # datafilename <- system.file("extdata", "RNAseq_sample.txt", package="DRomics") + # (o <- RNAseqdata(datafilename, check = TRUE, transfo.method = "vst")) + + # whole data + data(Zhou_kidney_pce) + d <- Zhou_kidney_pce + (o <- RNAseqdata(d)) + + (s <- itemselect(o, select.method = "quadratic", FDR = 0.01)) + (f <- drcfit(s, progressbar = TRUE)) + head(f$fitres) + + (r <- bmdcalc(f)) + plot(r) + (r <- bmdcalc(f, ratio2switchinlog = 1)) + plot(r) + (r <- bmdcalc(f, minBMD = 0.0001, ratio2switchinlog = 1)) + plot(r) + (r <- bmdcalc(f, minBMD = 1)) + plot(r) + } > > proc.time() user system elapsed 8.56 0.85 9.42