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Learn SAS
Chris Hemedinger 0
Zodiac signs of US Presidents

Rick Wicklin showed us how to visualize the ages of US Presidents at the time of their inaugurations. That's a pretty relevant thing to do, as the age of the incoming president can indirectly influence aspects of the president's term, thanks to health and generational factors. As part of his

Analytics | Fraud & Security Intelligence
Jen Dunham 0
Opioid schemes fueled by staged car accidents, insurance fraud

Criminal enterprises are tapping into the lucrative opioid business through creative schemes that are less likely to be identified as opioid abuse, misuse or diversion. One of the latest schemes? Auto insurance fraud. First, some background… While extensive progress has been made in establishing, improving, and mandating prescription drug monitoring

Analytics | Fraud & Security Intelligence
John Stultz 0
What can agencies learn from massive Medicaid fraud busts?

On June 22nd, the U.S. Department of Justice announced the largest Medicaid fraud bust in history. The National Health Care Fraud Takedown included 301 defendants charged, $900 million in false billings, 61 medical professionals and 29 doctors, across 36 states. In another case, investigators in New York uncovered more than

Fraud & Security Intelligence
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From fraud detection to fraud prevention: working towards optimal audits

Currently, most fraud detection solutions for financial crime and tax fraud are focused on risk assessing entities. That is to say, they evaluate the risk of each individual or businesses separately. While this helps prioritize risk-based investigations by alerting investigators to the likelihood of fraud, it does not necessarily maximize deterrence.

Rick Wicklin 0
Visualize the ages of US presidents

Who was the oldest person elected president of the United States? How about the youngest? Who was the oldest when he left office? Let's look at some data. Wikipedia has a page that presents a table of the presidents of the US by age. It lists the dates for which

Rick Wicklin 0
Visualize a torus in SAS

This article uses graphical techniques to visualize one of my favorite geometric objects: the surface of a three-dimensional torus. Along the way, this article demonstrates techniques that are useful for visualizing more mundane 3-D point clouds that arise in statistical data analysis. Define points on a torus A torus is

Data Management
Jim Harris 0
Why analytical models are better with better data

Most enterprises employ multiple analytical models in their business intelligence applications and decision-making processes. These analytical models include descriptive analytics that help the organization understand what has happened and what is happening now, predictive analytics that determine the probability of what will happen next, and prescriptive analytics that focus on

Rick Wicklin 0
Rotation matrices and 3-D data

Rotation matrices are used in computer graphics and in statistical analyses. A rotation matrix is especially easy to implement in a matrix language such as the SAS Interactive Matrix Language (SAS/IML). This article shows how to implement three-dimensional rotation matrices and use them to rotate a 3-D point cloud. Define

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