Defines how time series data must be aggregated into features for learning and inference.
Features define how to aggregate numerical data from a
measurement defines an object type in the data source:
For Elasticsearch data source, the
measurementis the object
For InfluxDB data source, the
measurementis the series measurement name
The list below defines the aggregation operators can be used to define features. These values can be extracted by using numeric fields in the data source documents.
This version does not support feature generation by a provided script, nor extracting features from categories ie, non numeric fields.
The operators that are supported consist of:
This version supports the following additional operators with InfluxDB: