epsilon-greedy-agg.json

{
 "id":"1",
 "signalTypes":["reward"],
 "selectQuery": "{!edismax bf=\"recip(abs(ms(NOW/HOUR,timestamp_dt)),3.16e-11,1,.1)\"}*:*",
 "aggregates":[
   {"type":"count", "sourceFields":["id"], "targetField": "count_f"},
   {
     "type": "script",
     "params": {
       "aggregateScript": "result.addField('rewards_fs', event.getFirstFieldValue('params.reward_f'))",
       "finishScript": "var r=result.getFieldValues('rewards_fs'); var n = result.getFirstFieldValue('count_f'); logger.info('r: {}', r); logger.info('res: {}', result); var v = 0.0; for(i=1; i<n; i++){ v = (((n - 1) / n) ) * v + ((1 / n) * r.get(i-1)); logger.info('v={}', v); }; result.setField('value_f', v);"
     }
   },
   {"type": "discard", "sourceFields": ["rewards_fs"], "targetField": "rewards_fs"}
 ],
 "groupingFields": ["params.exp_s", "doc_id_s"]
}