Tag: Aggregate Functions
Visualizing Features with On The Fly Aggregated Values from Time-Series or Historical Observation Data
Time-series data stores observations, measurements, model results, or other data obtained over a period of time, at regular or irregular intervals. They can be broadly classified into two groups: One where the location of an entity moves over the time, … Continue reading
We are pleased to announce that the ST_Geometry aggregate functions are now available for Hive, in the Spatial Framework for Hadoop. The aggregate functions can be used to perform a convex-hull, intersection, or union operation on geometries from multiple records of a dataset.