hist_sample_num {MatrixQCvis} | R Documentation |
'hist_sample_num' returns the number of a category (e.g. sample types) as a 'tbl'. The function will retrieve first the column 'category' in 'colData(se)'. The function will return a 'tbl' containing the numerical values of the quantities.
hist_sample_num(se, category = "type")
se |
'SummarizedExperiment' object |
category |
'character', corresponding to a column in 'colData(se)' |
'tbl'
## create se a <- matrix(1:100, nrow = 10, ncol = 10, dimnames = list(1:10, paste("sample", 1:10))) a[c(1, 5, 8), 1:5] <- NA set.seed(1) a <- a + rnorm(100) cD <- data.frame(name = colnames(a), type = c(rep("1", 4), rep("2", 6))) rD <- data.frame(spectra = rownames(a)) se <- SummarizedExperiment::SummarizedExperiment(assay = a, rowData = rD, colData = cD) hist_sample_num(se, category = "type")