Perform the estimation of mutational signatures associated to prognosis.
     
    
    associationPrognosis(clinical_data, signatures)
 
     
    
    Arguments
- clinical_data
 
Matrix with two columns proving survival times (first column) and status (second column).
 
- signatures
 
Matrix with the estimated exposures to signatures (columns) for each patient (rows).
 
 
    
    Value
    A vector of coefficients resulting from regularized Cox regression.
     
    
    Examples
    data(association_survival)
set.seed(12345)
clinical_data = association_survival$clinical_data
normalized_alpha = association_survival$normalized_alpha
prognosis_associations = associationPrognosis(clinical_data = clinical_data, signatures = normalized_alpha)