Imagine you're at a fair, and you see a booth with a giant dartboard. The booth owner challenges you to hit the bullseye. You take your shot, and the dart lands somewhere on the board. Now imagine ...

This column is the fourth in a series on parameter estimation, leading up to the justly famous Kalman filter. The discipline is based on the fact that our knowledge of the state of any real-world ...

Troy Segal is an editor and writer. She has 20+ years of experience covering personal finance, wealth management, and business news. Charlene Rhinehart is a CPA , CFE, chair of an Illinois CPA Society ...