// ~->[DNET-1]->~

// File created by Norsys using Netica 1.06b on Feb 06, 1998 at 05:19:45.

bnet Asia {
autoupdate = TRUE;
comment = "From Lauritzen, Steffen L. and David J. Spiegelhalter (1988) \
	\"Local computations with probabilities on graphical \
	structures and their application to expert systems\" in J. \
	Royal Statistics Society B, 50(2), 157-194.";
whenchanged = 886771093;

visual V1 {
	defdispform = LABELBOX;
	nodelabeling = TITLE;
	nodefont = font {shape= "Bookman"; size= 14;};
	linkfont = font {shape= "Arial"; size= 9;};
	commentfont = font {shape= "Arial"; size= 10;};
	windowposn = (7, 19, 795, 480);
	resolution = 72;
	drawingbounds = (1104, 730);
	showpagebreaks = FALSE;
	usegrid = TRUE;
	gridspace = (6, 6);
	};

node VisitAsia {
	kind = NATURE;
	discrete = TRUE;
	chance = CHANCE;
	states = (Visit, No_Visit);
	parents = ();
	probs = 
		// Visit        No_Visit     
		  (0.01,        0.99);
	title = "Visit To Asia";
	belief = (0.01, 0.99);
	visual V1 {
		center = (126, 54);
		height = 1;
		};
	};

node Tuberculosis {
	kind = NATURE;
	discrete = TRUE;
	chance = CHANCE;
	states = (Present, Absent);
	parents = (VisitAsia);
	probs = 
		// Present      Absent         // VisitAsia 
		 ((0.05,        0.95),         // Visit     
		  (0.01,        0.99));        // No_Visit  ;
	title = "Tuberculosis";
	belief = (0.0104, 0.9896);
	visual V1 {
		center = (126, 150);
		height = 3;
		};
	};

node Smoking {
	kind = NATURE;
	discrete = TRUE;
	chance = CHANCE;
	states = (Smoker, NonSmoker);
	parents = ();
	probs = 
		// Smoker       NonSmoker    
		  (0.5,         0.5);
	title = "Smoking";
	belief = (0.5, 0.5);
	visual V1 {
		center = (480, 54);
		height = 2;
		};
	};

node Cancer {
	kind = NATURE;
	discrete = TRUE;
	chance = CHANCE;
	states = (Present, Absent);
	parents = (Smoking);
	probs = 
		// Present      Absent         // Smoking   
		 ((0.1,         0.9),          // Smoker    
		  (0.01,        0.99));        // NonSmoker ;
	title = "Lung Cancer";
	belief = (0.055, 0.945);
	visual V1 {
		center = (378, 150);
		height = 4;
		link 1 {
			path = ((467, 67), (392, 137));
			};
		};
	};

node TbOrCa {
	kind = NATURE;
	discrete = TRUE;
	chance = CHANCE;
	states = (True, False);
	parents = (Tuberculosis, Cancer);
	probs = 
		// True         False           // Tuberculosis Cancer  
		(((1,           0),             // Present      Present 
		  (1,           0)),            // Present      Absent  
		 ((1,           0),             // Absent       Present 
		  (0,           1)));           // Absent       Absent  ;
	title = "Tuberculosis\nor Cancer";
	belief = (0.064828, 0.935172);
	visual V1 {
		center = (270, 246);
		height = 6;
		};
	};

node XRay {
	kind = NATURE;
	discrete = TRUE;
	chance = CHANCE;
	states = (Abnormal, Normal);
	parents = (TbOrCa);
	probs = 
		// Abnormal     Normal         // TbOrCa 
		 ((0.98,        0.02),         // True   
		  (0.05,        0.95));        // False  ;
	title = "XRay Result";
	belief = (0.11029, 0.88971);
	visual V1 {
		center = (138, 336);
		height = 7;
		};
	};

node Bronchitis {
	kind = NATURE;
	discrete = TRUE;
	chance = CHANCE;
	states = (Present, Absent);
	parents = (Smoking);
	probs = 
		// Present      Absent         // Smoking   
		 ((0.6,         0.4),          // Smoker    
		  (0.3,         0.7));         // NonSmoker ;
	title = "Bronchitis";
	belief = (0.45, 0.55);
	visual V1 {
		center = (618, 150);
		height = 5;
		link 1 {
			path = ((498, 67), (599, 137));
			};
		};
	};

node Dyspnea {
	kind = NATURE;
	discrete = TRUE;
	chance = CHANCE;
	states = (Present, Absent);
	parents = (TbOrCa, Bronchitis);
	probs = 
		// Present      Absent          // TbOrCa Bronchitis 
		(((0.9,         0.1),           // True   Present    
		  (0.7,         0.3)),          // True   Absent     
		 ((0.8,         0.2),           // False  Present    
		  (0.1,         0.9)));         // False  Absent     ;
	title = "Dyspnea";
	comment = "Shortness of breath.";
	belief = (0.435971, 0.564029);
	visual V1 {
		center = (414, 336);
		height = 8;
		link 1 {
			path = ((308, 270), (393, 323));
			};
		};
	};
ElimOrder = (VisitAsia, XRay, Tuberculosis, Smoking, Cancer, TbOrCa, Bronchitis, Dyspnea);
};