# Recommendation Template

## Documentation

Please refer to
https://predictionio.apache.org/templates/recommendation/quickstart/.

## Versions

### v0.13.0

Update for Apache PredictionIO 0.13.0

### v0.12.0-incubating

- Bump version number to track PredictionIO version
- Sets default build targets according to PredictionIO
- Add checkpoint parameters
- Fix warnings and use of case class

### v0.11.0-incubating

- Bump version number to track PredictionIO version
- Rename Scala package name
- Update SBT version
- Fix typo

### v0.4.0

- Compatible with Apache PredictionIO 0.10.0-incubating

### v0.3.2

- Fix incorrect top items in batchPredict() (issue #5)

### v0.3.1

- Add Evaluation module and modify DataSource for it

### v0.3.0

- update for PredictionIO 0.9.2, including:

  - use new PEventStore API
  - use appName in DataSource parameter

### v0.2.0

- update build.sbt and template.json for PredictionIO 0.9.2

### v0.1.2

- update for PredictionIO 0.9.0

### v0.1.1

- Persist RDD to memory (.cache()) in DataSource for better performance and quick fix for new user/item ID BiMap error issue.

### v0.1.0

- initial version
- known issue:
  * If importing new events of new users/itesm during training, the new user/item id can't be found in the BiMap.