def fed_integrate_model_cart(model1, model2):
coef_1 = model1.coef_
coef_2 = model2.coef_
intercept_1 = model1.intercept_
intercept_2 = model2.intercept_
classes = model1.classes_
model = DecisionTreeClassifier()
model.coef_ = mulkeys_add_2Darray(model1.coef_, model2.coef_)/2
model.intercept_ = mulkeys_add_array(
model1.intercept_, model1.intercept_)/2
model.classes_ = classes
return model
