New Data Analysts, Start Here

Here is a youtube channel of videos about data analysis. I’ve only seen a few of them, but they seem like an excellent introduction to data mining, hypothesis generation, prediction and other techniques. Here is a video about what goes wrong with regression, which is often more than what goes right.

TGIF Chula Vista, It’s Crime Minimum Day

Our resident data slinger sent me an initial analysis of time series data for specific crime hot spots in San Diego, and the results are interesting. Rather than look at the whole of the region at once, we’ve identified specific high intensity areas, and are doing time-series analysis for them independently. The major areas are: North Park, … Read more

New Data: XKCD Didn’t Win

An earlier post commented on an XKCD cartoon that was related to a common misinterpretation of crime maps, and I’d noted that it would be interesting to find the difference between the maps, as we had done for violent and property crime. Some of us think about interesting things, and others do them, Paul Breed … Read more

What Is Crime Analysis?

On Wednesday March 6 we’ll kick off our Crime Data Analysis project, and before then, it may be worth asking “Why are a bunch of amateurs attempting what the police should be doing? ” The answer is that police departments analyze crime to catch criminals, and the Data Library analyzes crime to help residents understand their … Read more