| setFeatures {geneExpression} | R Documentation |
setFeatures(x, gene.ids);it is kind of rownames liked function for dataframe object.
the input matrix object that the gene id of each feature row has been modified;
if the size of the given gene id vector is not equals to the feature row numbers of the input matrix, or the input x object is not a valid gene expression matrix object, then a R# error message object will be returned.