add majority voting

agent/nodes/robertaMetrics.ts

@@ -6,7 +6,6 @@ import { evaluateWithRoberta } from "../tools/robertaCall";
 export const robertaMetrics: GraphNode<typeof MessagesState> = async (state) => {
   const answer = state.proposedTriggerEvent[state.proposedTriggerEventIndex].Event
   
-  //Option 1:
   const lrresult = await evaluateWithRoberta({answer, method:"logreg"})
   const lrscore = lrresult.validProb - lrresult.invalidProb;
   
@@ -16,7 +15,23 @@ export const robertaMetrics: GraphNode<typeof MessagesState> = async (state) =>
   const flresult = await evaluateWithRoberta({answer, method:"flan"})
   const flscore = flresult.validProb - flresult.invalidProb;
   
-  const score = lrscore * 0.3 + roscore * 0.5 + flscore * 0.3
+  //Option 1: combining scores
+  // const score = lrscore * 0.3 + roscore * 0.5 + flscore * 0.3
+
+  //Option 2: majority voting
+  const rovote = roscore > 0.6
+  const flvote = flscore > 0.94
+  const lrvote = lrscore > 0.75
+
+  let counter = 0
+  if (rovote) counter++
+  if (flvote) counter++
+  if (lrvote) counter++
+
+  let score = 0
+  if (counter >= 2) {
+    score = 0.7 + lrscore + flscore + lrscore
+  }
   
   return {
     messages: [ new AIMessage("ROBERTA:" + score)]