"No matter how sophisticated our choices, how good we are at dominating the odds, randomness will have the last word," wrote Nassim Nicholas TalebIs the business world inherently chaotic, or is ...

A new Wharton study explains why stock returns aren’t random. Correlation neglect causes market overreaction, momentum, and reversals investors consistently misprice.

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Abstract: In probability theory, variance is a device to measure dispersion of random variable from its mean. In order to explain complex uncertain random variable,variance and pseudo-variance are ...

Abstract: Moments of continuous random variables admitting a probability density function are studied. We show that, under certain assumptions, the moments of a random variable can be characterized in ...

Forbes contributors publish independent expert analyses and insights. I track enterprise software application development & data management. AI is all about logic, but not all of it is straightforward ...

Forecasting for any small business involves guesswork. You know your business and its past performance, but you may not be comfortable predicting the future. Using Excel is a great way to perform what ...

Arizona Cardinals rookie Max Melton recently walked into a local Goodwill looking for a throwback jersey to wear on the first day of training camp. He found one—a No. 4 Kevin Kolb jersey. But he ...

Any student new to the principles of fluid dynamics will be familiar with Bernoulli’s principle and the Venturi effect, where the speed of a liquid or gas increases when the size of the conduit it ...