Introduction to Python for Data Analysis¶. Recall that R is a statistical programming language—a language designed to do things like t-tests, regression, and so on.The core of R was developed during ...

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5.4. t-Tests¶. We use the t-test at this point to formally test the hypothesis that two distributions have the same sample mean (and thus are “the same”—or at least close enough).As in Excel and R, ...

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On this page. The Basics of Returns-Based Style Analysis Fetching Data for Style Analysis Case Study: Looking for Investment Style Drift Unlock More Code Snippets for Rigorous Fund Evaluation ...