public void onSetMatrixObservation() {
obslist = model.getListObservations();
if(distribution == EXPO) {
engfitting = new ExponentialFitting(obslist, 0.05d);
initComponents();
if(engfitting.isFitted()) {
if(obslist.length > 20)
resultfittingTextArea.setText("The analyzed data fits the exponential distribution with significativity 0.05" + "\n" +
"(the significativity is the probability of rejecting the Exponential hypothesis when it is true)" + "\n" +