Plot library size — plotLibrarySize • psichomics

Plot library size

Usage

plotLibrarySize(
  data,
  log10 = TRUE,
  title = "Library size distribution across samples",
  subtitle = "Library size: total number of mapped reads",
  colour = "orange"
)

Arguments

data: Data frame or matrix: gene expression
log10: Boolean: log10-transform data?
title: Character: plot title
subtitle: Character: plot subtitle
colour: Character: data colour

Value

Library size distribution

See also

Other functions for gene expression pre-processing: convertGeneIdentifiers(), filterGeneExpr(), normaliseGeneExpression(), plotGeneExprPerSample(), plotRowStats()

Examples

df <- data.frame(geneA=c(2, 4, 5),
                 geneB=c(20, 3, 5),
                 geneC=c(5, 10, 21))
colnames(df) <- paste("Sample", 1:3)
plotLibrarySize(df)