code: function (predictionAndLabels) {
          var jvmObject;
          this.logger = Logger.getLogger("MulticlassMetrics_js");
          if (predictionAndLabels instanceof org.apache.spark.mllib.evaluation.MulticlassMetrics) {
              jvmObject = predictionAndLabels;
          } else {
              jvmObject = new org.apache.spark.mllib.evaluation.MulticlassMetrics(Utils.unwrapObject(predictionAndLabels).rdd());
          }
  
  
          JavaWrapper.call(this, jvmObject);
  
      }
docs: ::Experimental::
  Evaluator for multiclass classification.
  
  @memberof module:eclairjs/mllib/evaluation
  @classdesc
  @param {module:eclairjs.RDD} predictionAndLabels an RDD of (prediction, label) pairs.
  @class