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 ...

Linear regression is one of the simplest and most useful tools for analyzing data. It helps you find the relationship between variables so you can make predictions and understand patterns. In this ...

IN recent correspondence, Mr. P. A. P. Moran 1 has suggested a simple method of finding the surface area of small objects from their average area of projection. Another simple method of finding the ...