def CVTest(test='layers',
           start=4,
           finish=14,
           optimizer=keras.optimizers.Adam(lr=0.001,
                                           beta_1=0.95,
                                           beta_2=0.999,
                                           epsilon=1e-4)):

    val_labels = Data_NoNAN.loc[:, 'Diesel':'Total']
    val_data = fcn.StandardizeData(Data_NoNAN.loc[:, 'Year':'Gust']).fillna(0)

    listOfErrors = ML.CrossValidation(data=val_data,
                                      labels=val_labels,
                                      test=test,
                                      start=start,
                                      finish=finish,
                                      optimizer=optimizer)
    return listOfErrors