update package locations to a subdir packages

packages/CLPBN/learning/example/school_params.yap

@@ -0,0 +1,46 @@
+% learn distribution for school database.
+
+% we do not consider the aggregates yet.
+
+:- [pos:train].
+
+:- ['~/Yap/work/CLPBN/clpbn/examples/School/school_32'].
+
+:- ['~/Yap/work/CLPBN/learning/em'].
+
+main :-
+        findall(X,goal(X),L),
+        em(L,0.01,10,CPTs,Lik),
+        writeln(Lik:CPTs).
+
+%
+% change to 0.05, 0.1, 0.2 to make things simpler/harder
+%
+missing(0.3).
+
+% miss 30% of the examples.
+goal(professor_ability(P,V)) :-
+        pos:professor_ability(P,V1),
+	missing(X),
+        ( random > X -> V = V1 ; true).
+% miss 10% of the examples.
+goal(professor_popularity(P,V)) :-
+        pos:professor_popularity(P,V1),
+	missing(X),
+        ( random > X -> V = V1 ; true).
+goal(registration_grade(P,V)) :-
+        pos:registration_grade(P,V1),
+	missing(X),
+        ( random > X -> V = V1 ; true).
+goal(student_intelligence(P,V)) :-
+        pos:student_intelligence(P,V1),
+	missing(X),
+        ( random > X -> V = V1 ; true).
+goal(course_difficulty(P,V)) :-
+        pos:course_difficulty(P,V1),
+	missing(X),
+        ( random > X -> V = V1 ; true).
+goal(registration_satisfaction(P,V)) :-
+        pos:registration_satisfaction(P,V1),
+	missing(X),
+        ( random > X -> V = V1 ; true).