sumGroups: sumGroups

View source: R/utils.R

sumGroupsR Documentation

sumGroups

Description

Utility function to sum over group labels

Usage

sumGroups(X, y, MARGIN = 2)

## S3 method for class 'dgCMatrix'
sumGroups(X, y, MARGIN = 2)

## S3 method for class 'matrix'
sumGroups(X, y, MARGIN = 2)

Arguments

X

matrix

y

group labels

MARGIN

whether observations are rows (=2) or columns (=1)

Value

Matrix of groups by features

Examples


data(exprs)
data(y)
sumGroups_res <- sumGroups(exprs, y, 1)
sumGroups_res <- sumGroups(t(exprs), y, 2)


immunogenomics/presto documentation built on Nov. 12, 2022, 5:13 p.m.