def predict(allevidence: Seq[Tuple2[Int,Int]], targetId : Int) : Array[Double] = {
    //want to create a new generic cluster graph with the same factors as this cluster graph
    val tempCG = ClusterGraph()
    clusterGraph.getClusters.foreach(cluster => tempCG.addCluster(cluster.id, cluster.getFactor))

    //set evidence on the new loopyBP
    val loopyBP = LoopyBP(tempCG)
    allevidence.foreach(evidence => if(evidence._2 != -1) loopyBP.setEvidence(evidence))
    loopyBP.marginal(targetId).getValues
  }