There are a couple of different references used in the book. One is web redirects, which I describe first. The second reference has to do with the National Crime Victimization Survey (NCVS), where I show how to do a simple Meta-Analysis for the years 2015-2019.

Redirects: In my book, I chose to reference websites by first directing users to my website and then to the website in question. When everything is working great, this process is seamless. However, should I win the PowerBall lottery, I may be on vacation for a few months, and those links could get stale. Therefore, I’m including the list of websites I reference in the book. Should a reader get a stale link, they can look up the link in this reference and get enough information to perform a search and find the resource.

Meta-Analysis (Advanced): An analyst needs to use a Meta-Analysis when looking at multiple years that are samples, like the National Crime Victimization Survey data. To perform this correctly, I contracted with a statistics company to do this analysis. Two different versions of the data are available. The first version is in the book, which uses sophisticated statistical techniques. To do this analysis requires time, effort, and money. The second version of the analysis is to use Microsoft Excel. I made the second version freely accessible to my readers in the name of data transparency. In short, you can learn how to perform a Meta-Analysis and the data that was used in the Meta-Analysis. This second version gives very similar results to the first version, the difference mainly being in the confidence interval range.

The data is in three files covering the years 2015-2019. One file shows Aggravated Assault (AA), the other Robbery (RO), and the last one Rape (RA). Murder is not included as the National Crime Victimization Survey cannot interview victims of murder.