Color map of a variable — colormap • OmicFlow

Creates an object of hexcode colors with names given a vector of characters. This function is built into the ordination method from the abstract class omics and inherited by other omics classes, such as; metagenomics and proteomics.

Usage

colormap(data, col_name, Brewer.palID = "Set2")

Arguments

data: A data.frame or data.table.
col_name: A column name of a categorical variable.
Brewer.palID: A character name that exists in brewer.pal (Default: "Set2").

Value

A setNames.

Examples

library("data.table")
dt <- data.table(
  "SAMPLE_ID" = c("sample_1", "sample_2", "sample_3"),
  "treatment" = c("healthy", "tumor", NA)
)

colors <- colormap(data = dt,
                   col_name = "treatment")