Learn the difference between Excel COUNT and COUNTA, plus TEXTBEFORE and TEXTAFTER tricks, so you clean text and totals with ...

With the proliferation of mobile apps, their security becomes critical: apps store and transmit a lot of sensitive user data. This data can be vulnerable due to weak encryption, insecure storage, and ...

At a time when data drives nearly every decision, information isn’t just a resource—it’s a transformative force. The real value of data emerges when it’s analyzed through different lenses, unlocking ...

In many applications, the response variable is not Normally distributed. GLM can be used to analyze data from various non-Normal distributions. In this short course, we will introduce two most common ...

Technical analysis is the process of examining a stock or security’s price movements, trading volume, and trends to determine how or when to trade it and predict its price movements. There are plenty ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Forbes contributors publish independent expert analyses and insights. I write about how to drive more value with data and analytics. As companies seek to become more data-driven, too much of the focus ...

Mitchell Grant is a self-taught investor with over 5 years of experience as a financial trader. He is a financial content strategist and creative content editor. Timothy Li is a consultant, accountant ...