Correct target score (#170)

* I supplemented the documentation with a paragraph about the work of the framework with the optimal selection of two real and one discrete parameters. Corrected the problem code for finding real and discrete parameters.

* correct target score

examples/Machine_learning/SVC/_2D/Problems/SVC_2D_Transformators_State.py

@@ -54,5 +54,5 @@ def calculate(self, point: Point, function_value: FunctionValue) -> FunctionValu
         """
         cs, gammas = point.float_variables[0], point.float_variables[1]
         clf = SVC(C=10 ** cs, gamma=10 ** gammas)
-        function_value.value = -cross_val_score(clf, self.x, self.y, scoring='accuracy').mean()
+        function_value.value = -cross_val_score(clf, self.x, self.y, scoring='f1_macro').mean()
         return function_value