examples/scala-parallel-classification/add-algorithm/engine.json

{
  "id": "default",
  "description": "Default settings",
  "engineFactory": "org.apache.predictionio.examples.classification.ClassificationEngine",
  "datasource": {
    "params": {
      "appName": "MyApp1"
    }
  },
  "algorithms": [
    {
      "name": "randomforest",
      "params": {
        "numClasses": 4,
        "numTrees": 5,
        "featureSubsetStrategy": "auto",
        "impurity": "gini",
        "maxDepth": 4,
        "maxBins": 100
      }
    }
  ]
}