## ----include = FALSE---------------------------------------------------------- knitr::opts_chunk$set( collapse = TRUE, comment = "#>" ) ## ----install, eval= FALSE----------------------------------------------------- # if (!requireNamespace("BiocManager", quietly = TRUE)) { # install.packages("BiocManager") # } # BiocManager::install("decontX") ## ----load, message=FALSE------------------------------------------------------ library(decontX) ## ----message=FALSE------------------------------------------------------------ library(SingleCellMultiModal) dat <- CITEseq("cord_blood", dry.run = FALSE) counts <- experiments(dat)$scADT ## ----------------------------------------------------------------------------- set.seed(42) sample_id <- sample(dim(counts)[2], 1000, replace = FALSE) counts_sample <- counts[, sample_id] ## ----message=FALSE------------------------------------------------------------ library(Seurat) library(dplyr) adt_seurat <- CreateSeuratObject(counts_sample, assay = "ADT") adt_seurat <- NormalizeData(adt_seurat, normalization.method = "CLR", margin = 2) %>% ScaleData(assay = "ADT") %>% RunPCA(assay = "ADT", features = rownames(adt_seurat), npcs = 10, reduction.name = "pca_adt") %>% FindNeighbors(dims = 1:10, assay = "ADT", reduction = "pca_adt") %>% FindClusters(resolution = 0.5) ## ----message=FALSE------------------------------------------------------------ adt_seurat <- RunUMAP(adt_seurat, dims = 1:10, assay = "ADT", reduction = "pca_adt", reduction.name = "adtUMAP", verbose = FALSE) DimPlot(adt_seurat, reduction = "adtUMAP", label = TRUE) FeaturePlot(adt_seurat, features = c("CD3", "CD4", "CD8", "CD19", "CD14", "CD16", "CD56")) clusters <- as.integer(Idents(adt_seurat)) ## ----eval=FALSE--------------------------------------------------------------- # counts <- as.matrix(counts_sample) # out <- deconPro(counts, # clusters) ## ----message=FALSE------------------------------------------------------------ counts <- as.matrix(counts_sample) out <- decontPro(counts, clusters, delta_sd = 2e-4, background_sd = 2e-5) ## ----------------------------------------------------------------------------- decontaminated_counts <- out$decontaminated_counts ## ----------------------------------------------------------------------------- plotDensity(counts, decontaminated_counts, c("CD3", "CD4", "CD8", "CD14", "CD16", "CD19")) ## ----------------------------------------------------------------------------- plotBoxByCluster(counts, decontaminated_counts, clusters, c("CD3", "CD4", "CD8", "CD16")) ## ----------------------------------------------------------------------------- sessionInfo()