nnzeroGroups: nnzeroGroups

Description Usage Arguments Value Examples

View source: R/utils.R

Description

Utility function to compute number of zeros-per-feature within group

Usage

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nnzeroGroups(X, y, MARGIN = 2)

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

## S3 method for class 'matrix'
nnzeroGroups(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

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data(exprs)
data(y)
nnz_res <- nnzeroGroups(exprs, y, 1)
nnz_res <- nnzeroGroups(t(exprs), y, 2)

immunogenomics/presto documentation built on July 24, 2020, 11:47 p.m.