InIntuitionMathbyAerin KimChi Square Test — Intuition, Examples, and Step-by-Step CalculationThe best way to see if two variables are related.Feb 12, 2023A response icon6Feb 12, 2023A response icon6
InTDS ArchivebyAerin KimP-value from scratch — Intuition, Examples, and Derivation[No more confusion] How to find a p-value and ultimately reject the null hypothesisApr 2, 2020A response icon11Apr 2, 2020A response icon11
InTDS ArchivebyAerin KimPDF is not a probability.The probability density at x can be greater than one but then, how can it integrate to one?Aug 26, 2019A response icon17Aug 26, 2019A response icon17
InTDS ArchivebyAerin KimWhat is Exponential DistributionIts derivations and examplesAug 6, 2019A response icon15Aug 6, 2019A response icon15
InTDS ArchivebyAerin KimSum of Exponential Random VariablesDeriving the PDF of Erlang distributionAug 16, 2019A response icon6Aug 16, 2019A response icon6
InTDS ArchivebyAerin KimPoisson Distribution Intuition (and derivation)When to use a Poisson Distribution?Jun 1, 2019A response icon40Jun 1, 2019A response icon40
InTDS ArchivebyAerin KimBeta Distribution — Intuition, Examples, and DerivationWhen to use Beta distributionJan 8, 2020A response icon25Jan 8, 2020A response icon25
InTDS ArchivebyAerin KimGamma Distribution — Intuition, Derivation, and Examplesand why does it matter?Oct 12, 2019A response icon17Oct 12, 2019A response icon17
InIntuitionMathbyAerin KimLet’s derive Chi-Squared PDF from normal distribution *intuitively*We can calculate the probability density function (PDF) of a random variable from its cumulative distribution function (CDF) using…Sep 10, 2017A response icon1Sep 10, 2017A response icon1
InIntuitionMathbyAerin KimWhy the Normal (Gaussian) PDF looks the way it doesAlthough this might not be the most rigorous derivation of the Gaussian PDF (Probability Density Function), this note might help you…Aug 24, 2017A response icon3Aug 24, 2017A response icon3
