## ----setup, include=FALSE----------------------------------------------------- knitr::opts_chunk$set(echo=TRUE) ## ---- eval=TRUE, include=TRUE, message=FALSE---------------------------------- library(bigPint) library(edgeR) library(data.table) library(dplyr) library(DelayedArray) library(SummarizedExperiment) data(soybean_ir_sub) data = soybean_ir_sub rownames(data) = data[,1] y = DGEList(counts=data[,-1]) group = c(1,1,1,2,2,2) y = DGEList(counts=y, group=group) Group = factor(c(rep("N",3), rep("P",3))) design <- model.matrix(~0+Group, data=y$samples) colnames(design) <- levels(Group) y <- estimateDisp(y, design) fit <- glmFit(y, design) dataMetrics <- data.frame(ID = rownames(data)) for (i in 1:(ncol(fit)-1)){ for (j in (i+1):ncol(fit)){ contrast=rep(0,ncol(fit)) contrast[i]=1 contrast[j]=-1 lrt <- glmLRT(fit, contrast=contrast) lrt <- topTags(lrt, n = nrow(y[[1]]))[[1]] setDT(lrt, keep.rownames = TRUE)[] lrt <- as.data.frame(lrt) colnames(lrt) <- paste0(colnames(fit)[i], "_", colnames(fit)[j], ".", colnames(lrt)) colnames(lrt)[1] = "ID" reorderID <- full_join(data, lrt, by = "ID") dataMetrics <- cbind(dataMetrics, reorderID[,-c(1:ncol(data))]) } } ## ---- eval=TRUE, include=TRUE, message=FALSE---------------------------------- dataMetrics$ID <- as.character(dataMetrics$ID) data = data[,-1] data <- DelayedArray(data) se_soybean_ir_sub <- SummarizedExperiment(assays = data, rowData = dataMetrics) assay(se_soybean_ir_sub) rowData(se_soybean_ir_sub) ## ---- eval=TRUE, include=TRUE, message=FALSE---------------------------------- data(soybean_cn_sub) data = soybean_cn_sub rownames(data) = data[,1] y = DGEList(counts=data[,-1]) group = c(1,1,1,2,2,2,3,3,3) y = DGEList(counts=y, group=group) Group = factor(c(rep("S1",3), rep("S2",3), rep("S3",3))) design <- model.matrix(~0+Group, data=y$samples) colnames(design) <- levels(Group) y <- estimateDisp(y, design) fit <- glmFit(y, design) dataMetrics <- data.frame(ID = rownames(data)) for (i in 1:(ncol(fit)-1)){ for (j in (i+1):ncol(fit)){ contrast=rep(0,ncol(fit)) contrast[i]=1 contrast[j]=-1 lrt <- glmLRT(fit, contrast=contrast) lrt <- topTags(lrt, n = nrow(y[[1]]))[[1]] setDT(lrt, keep.rownames = TRUE)[] lrt <- as.data.frame(lrt) colnames(lrt) <- paste0(colnames(fit)[i], "_", colnames(fit)[j], ".", colnames(lrt)) colnames(lrt)[1] = "ID" reorderID <- full_join(data, lrt, by = "ID") dataMetrics <- cbind(dataMetrics, reorderID[,-c(1:ncol(data))]) } } ## ---- eval=TRUE, include=TRUE, message=FALSE---------------------------------- dataMetrics$ID <- as.character(dataMetrics$ID) data = data[,-1] data <- DelayedArray(data) se_soybean_cn_sub <- SummarizedExperiment(assays = data, rowData = dataMetrics) assay(se_soybean_cn_sub) rowData(se_soybean_cn_sub)