Forbes contributors publish independent expert analyses and insights. I research ad fraud and digital marketing. We do not use any open source code; we built the math from scratch over the last two ...

PerkinElmer’s Spectrum Two™ IR spectrometer provides fast and simple analysis of polymers. The instrument can be used and maintained easily. A Polymer Application Pack coupled with user-friendly ...

Cohort analysis is a way of evaluating your business that involves grouping customers into “cohorts” and observing how they behave over time. A commonly used approach is monthly cohort analysis, where ...

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 ...

Fourier-transform infrared (FTIR) spectroscopy is a simple technique used in oil analysis. It is specifically used for detecting degradation, dilution, or illegal additives in different types of oils.