anchor.diff:  installed the previous versions, you may need to clear both HBase and
   Elasticsearch. See more [here](../resources/schema-change.html).
   
  -Let's say you have installed PredictionIO at `/home/yourname/PredictionIo/`.
  +Let's say you have installed PredictionIO at `/home/yourname/predictionio/`.
   For convenience, add PredictionIO's binary command path to your `PATH`, i.e.
  -`/home/yourname/PredictionIo/bin`:
  +`/home/yourname/predictionio/bin`:
   
   ```
   $ PATH=$PATH:/home/yourname/predictionio/bin; export PATH
  
positive.code:   "targetEntityType" : "item",
    "targetEntityId" : <ITEM ID>,
    "properties" : {
      "rating" : <RATING>
    }
    "eventTime" : <TIME OF THIS EVENT>
  }'
  
negative.code: 
  You can send these data to PredictionIO Event Server in real-time easily by
  making a HTTP request or through the `EventClient` of an SDK.
  
  <div class="tabs">
    <div data-tab="Python SDK" data-lang="python">
  