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 ...

Correspondence analysis is an exploratory data analysis technique for the graphical display of contingency tables and multivariate categorical data. Its history can be traced back at least 50 years ...

Journal of the Royal Statistical Society. Series C (Applied Statistics) When sample units are plotted against orthogonal principal axes in a components analysis, the concept of (Euclidean) distance ...