diff options
Diffstat (limited to 'sourcecodes/bnt-master/BNT/CPDs/@gaussian_CPD/convert_to_table.m')
| -rw-r--r-- | sourcecodes/bnt-master/BNT/CPDs/@gaussian_CPD/convert_to_table.m | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/sourcecodes/bnt-master/BNT/CPDs/@gaussian_CPD/convert_to_table.m b/sourcecodes/bnt-master/BNT/CPDs/@gaussian_CPD/convert_to_table.m new file mode 100644 index 00000000..4a8d5904 --- /dev/null +++ b/sourcecodes/bnt-master/BNT/CPDs/@gaussian_CPD/convert_to_table.m @@ -0,0 +1,38 @@ +function T = convert_to_table(CPD, domain, evidence) +% CONVERT_TO_TABLE Convert a Gaussian CPD to a table +% T = convert_to_table(CPD, domain, evidence) + + +sz = CPD.sizes; +ns = zeros(1, max(domain)); +ns(domain) = sz; + +odom = domain(~isemptycell(evidence(domain))); +ps = domain(1:end-1); +cps = ps(CPD.cps); +dps = ps(CPD.dps); +self = domain(end); +cdom = [cps(:)' self]; +ddom = dps; +cnodes = cdom; + +[m, C, W] = gaussian_CPD_params_given_dps(CPD, domain, evidence); + + +ns(odom) = 1; +dpsize = prod(ns(dps)); +self = domain(end); +assert(myismember(self, odom)); +self_val = evidence{self}; +T = zeros(dpsize, 1); +if length(cps) > 0 + assert(~any(isemptycell(evidence(cps)))); + cps_vals = cat(1, evidence{cps}); + for i=1:dpsize + T(i) = gaussian_prob(self_val, m(:,i) + W(:,:,i)*cps_vals, C(:,:,i)); + end +else + for i=1:dpsize + T(i) = gaussian_prob(self_val, m(:,i), C(:,:,i)); + end +end |
