anchor.diff:  ### Actual Result
   
   In MyRecommendation/src/main/scala/***Engine.scala***,
  -we define the `ActualResult` which represents the user rating for validation. 
  +we define the `ActualResult` which represents the user rating for validation.
   It stores the list of rating in the validation set for a user.
   
   ```scala
  
positive.code: 
      val kFold = evalParams.kFold
      val ratings: RDD[(Rating, Long)] = getRatings(sc).zipWithUniqueId
      
      (0 until kFold).map { idx => {
        val trainingRatings = ratings.filter(_._2 % kFold != idx).map(_._1)
        val testingRatings = ratings.filter(_._2 % kFold == idx).map(_._1)
  
negative.code: 
  ## Evaluation Quick Start
  
  We assume you have run the [Recommendation Quick Start](/templates/recommendation/quickstart/)
  will skip the data collection / import instructions.
  
  ### Edit the AppId
  
  Edit MyRecommendation/src/main/scala/***Evaluation.scala*** to specify the
  *appName* you used to import the data.
  
  ```scala
  object ParamsList extends EngineParamsGenerator {
    private[this] val baseEP = EngineParams(
      dataSourceParams = DataSourceParams(
        appName = "MyApp1",
        ...
        )
    ...
  