增加最低信任度阈值

src/main/java/org/wlld/randomForest/RandomForest.java

@@ -12,6 +12,11 @@ import java.util.*;
 public class RandomForest {
     private Random random = new Random();
     private Tree[] forest;
+    private double trustTh = 0.1;//信任阈值
+
+    public void setTrustTh(double trustTh) {//设置信任阈值
+        this.trustTh = trustTh;
+    }
 
     public RandomForest(int treeNub) throws Exception {
         if (treeNub > 0) {
@@ -67,6 +72,9 @@ public class RandomForest {
                 nub = myNub;
             }
         }
+        if (nub < ArithUtil.mul(forest.length, trustTh)) {
+            type = 0;
+        }
         return type;
     }