Add set column to UpSet plot matrix

This function adds a column denoting set number to a matrix generated for an upset plot with fromList.with.names()

Usage

add.set.column(df)

Arguments

df

binary matrix where row = genes & columns are gene sets, with 1 indicating that a gene is present is that gene set and vice-versa

Value

data.frame with added set column

Examples

# list of genes
lst <- list(group1 = c(a = "gene1", b = "gene2", c = "gene3", d = "gene4"),
            group2 = c(c = "gene3", d = "gene4"))

# binarized matrix with group membership
df <- fromList.with.names(lst)

# matrix with added set column
ldf <- add.set.column(df)