This post is a revised version of presentation for Hack Santa Monica Meetup on November 17th, 2016. To learn more about Hack Santa Monica Meetup, please look here.
Hack Santa Monica Meetup was initiated by non-profit group SixThirty Group (formerly known as Team SixThirty). For more information of SixThirty Group, please check here.
Often in Business Intelligence field, people would say the first thing to do is to visualize data. However, one might be confused, among various visualization methods, what are the one visualization method that will reveal insights? And more exactly, what are called insights?
Insights, as it literally suggests, are things that are embedded in data and waiting for you to discover. That is somewhat a romantic way to put it, and the process of discovering one takes lots of patience and cautious. Different people might be looking at different things. Accountants may look at ledgers and balance sheets, whereas economists may look at annual labor data or stock market data.
Here I use data from Santa Monica Open Data Portal, which is a data set describing Santa Monica’s fire report records.
- Look for pattern
- Look for anomaly
- Knowing the context