A summary of popular methods to analyze the dependency between variables. Continue reading A survey of correlation analysis methods
This article attempts to make PCA crystal clear to anyone who wishes to understand it thoroughly, step-by-step, in both high and low-level concepts. Continue reading Principal Component Analysis fully explained
I have seen enough threads saying that Correlation does NOT imply Causality. Yes, that is true, but how about the other way around? Continue reading Does Causality imply Correlation?
This is my 4th blog on a series of data visualization with charts for specific purposes. Continue reading Charts to show relationships between (or among) variables