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Learn how a correlation matrix is createdIt seems like a scatter plot, doesn’t it? More on this later. Photo by rovenimages.com:In the last articles of this mini-series on statistical indices (which was initially designed based on my experience as a teacher at Datamasters.it) we already studied variance, standard deviation, covariance e correlation. In this article, we’ll focus on a data structure outlined in the last article that, when I started studying Machine Learning literally blew up my brain, and not because it’s a…

What is correlation? How can we compute correlation between to continuous variables? And what are the differences with covariance?Clearly, two persons who understood what is correlation. Photo by Jill Wellington: https://www.pexels.com/it-it/foto/due-persone-in-piedi-nella-fotografia-di-sagoma-40815/Machine learning is a wonderful field of study. Studying Machine Learning means taking the most interesting concepts coming from the most disparate fields (math, finance, biology, computer science, etc) with the aim of…