Yes, thank you. Practical significance. You cannot get away with just running statistical test or deep learning models. You often need to ask whether a change i

Yes, thank you. Practical significance. You cannot get away with just running statistical test or deep learning models. You often need to ask whether a change in product, service or process to take advantage of some trend or difference between customers segment will actually be worth doing. That involves getting your hands dirty in the business, trying to identify all the costs and side-effects of a change, and then how much of a size effect you will actually capture once the changes are made. My views in more detail [1] [1] http://computationalimagination.com/article_practical_significance.php http://computationalimagination.com/article_practical_signif...