https://gdpark.blog/tags/chi-squared/Recent content in Chi-Squared on gdpark.blogHugoenSat, 28 Sep 2019 00:00:00 +0000https://gdpark.blog/posts/statistics-05-derivation-of-the-chi-squared-distribution/Fri, 17 Nov 2017 00:00:00 +0000https://gdpark.blog/posts/statistics-05-derivation-of-the-chi-squared-distribution/Chi-squared is just a gamma in disguise — we prove Z² follows it with 1 degree of freedom and show how sample variance ties in before jumping to the t-distribution.https://gdpark.blog/posts/statistics-07-derivation-of-the-f-distribution/Sat, 18 Nov 2017 00:00:00 +0000https://gdpark.blog/posts/statistics-07-derivation-of-the-f-distribution/We derive the F-distribution PDF from scratch — turns out it’s basically next of kin to the t-distribution — then wrap up with how to actually read an F-table.https://gdpark.blog/posts/statistics-13-python-chi-squared-student-s-t-and-f-distributions/Sat, 28 Sep 2019 00:00:00 +0000https://gdpark.blog/posts/statistics-13-python-chi-squared-student-s-t-and-f-distributions/Wrapped up derivations of the chi-squared, t-, and F-distributions — and honestly it’s just reminded me how shaky my stats fundamentals still are lol.