gene_expression_input {UNDO} | R Documentation

## Detect whether the input gene expression data are valid

### Description

Check the input gene expression data to see whether they are nonempty, nonnegative, etc.

### Usage

    gene_expression_input(X)

### Arguments

`X` | gene expression data matrix with row representing genes/probe sets, and column representing samples.

### Value

If the input is valid, the output will be the same as the input; otherwise, if the input contains NA, the corresponding rows will be deleted. if the input contains negative value, the algorithm will stop and give error information.

### Author(s)

Niya Wang (wangny@vt.edu)

### Examples

    gene_expression <- matrix(runif(2000),1000,2)
    valid_gene_expression <- gene_expression_input(gene_expression)

[Package UNDO version 1.32.0 Index]