This function is designed for getting a model matrix with top significant genes for each pathway
Arguments
- organism
"Human" or "Mouse" taken from the main function's argument. Default to "Human"
- top
Desired top number of genes for each pathway according to their significance(p.value). Default to 100
- decoupleR
if TRUE, the model matrix is goign to be generated with a format makes it directlz compatible with the decoupleR package