1 files changed, 37 insertions, 0 deletions
diff --git a/BNW_parameter_learning/checkDiscreteNodes.m b/BNW_parameter_learning/checkDiscreteNodes.m
new file mode 100644
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+++ b/BNW_parameter_learning/checkDiscreteNodes.m
@@ -0,0 +1,37 @@
+function [ ] = checkDiscreteNodes( bnet, cases)
+    %checkDiscreteNodes Checks if states of discrete nodes are be integers from 1 to M
+    %   where M is the number of states of the node.  (M should be the same as
+    %   node_sizes in the bnet).
+    % 
+    %Input:
+    %   bnet: BNT bnet
+    %   cases: cell array of data
+    %
+%
+node_sizes = bnet.node_sizes;
+dnodes = bnet.dnodes;
+ndisc = size(dnodes,2);
+ncases = size(cases,2);
+
+%check to see that all data for discrete nodes are integers
+for i = 1:ndisc
+    inode = dnodes(i);
+    data = cases(inode,:);
+    isize = node_sizes(inode);
+    states = zeros(1,isize);
+    for j = 1:isize
+        states(j) = j;
+    end
+    for j = 1:ncases
+        k = int64(data{j});
+        if ~any(k==states)
+            error(['Discrete nodes must be integers from 1 to the number of states']);
+        end
+    end
+end
+
+    
+end
+
+
+