network unknown { } variable asia { type discrete [ 2 ] { yes, no }; } variable tub { type discrete [ 2 ] { yes, no }; } variable smoke { type discrete [ 2 ] { yes, no }; } variable lung { type discrete [ 2 ] { yes, no }; } variable bronc { type discrete [ 2 ] { yes, no }; } variable either { type discrete [ 2 ] { yes, no }; } variable xray { type discrete [ 2 ] { yes, no }; } variable dysp { type discrete [ 2 ] { yes, no }; } probability ( asia ) { table 0.01, 0.99; } probability ( tub | asia ) { (yes) 0.05, 0.95; (no) 0.01, 0.99; } probability ( smoke ) { table 0.5, 0.5; } probability ( lung | smoke ) { (yes) 0.1, 0.9; (no) 0.01, 0.99; } probability ( bronc | smoke ) { (yes) 0.6, 0.4; (no) 0.3, 0.7; } probability ( either | lung, tub ) { (yes, yes) 1.0, 0.0; (no, yes) 1.0, 0.0; (yes, no) 1.0, 0.0; (no, no) 0.0, 1.0; } probability ( xray | either ) { (yes) 0.98, 0.02; (no) 0.05, 0.95; } probability ( dysp | bronc, either ) { (yes, yes) 0.9, 0.1; (no, yes) 0.7, 0.3; (yes, no) 0.8, 0.2; (no, no) 0.1, 0.9; }