gene_expression_input:
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.