Vertica Blog

Vertica Blog

sensor analytics

A key with Anomaly Description written on it

Detect Outliers Using Isolation Forest

The Isolation Forest (IForest) algorithm is a powerful and scalable algorithm for identifying outliers in your data. It uses a unique approach which focuses directly on characterizing outliers instead of normal data points. Specifically, IForest focuses on the two quantitative properties of outliers: they are few and different. A scalable implementation of the Isolation Forest algorithm is available...

Vertica on the Road! Using Vertica to Prepare and Analyze Vehicle Telematics Data

Vehicles generate a lot of data from onboard electronics and there is increasing interest in monitoring vehicle handling to help assess insurance risk and premiums. At Vertica, we're working with a few auto manufacturers, so I built this demo to show a relatively simple example of data collection, aggregation and preparation, and analysis of the...