Yanlin ChenHow to determine the sample size in AB Testing?An important step before we start an AB Testing is to determine the sample size of our experiment. It’s part of the design. We need to…Sep 21, 2020Sep 21, 2020
Yanlin ChenHow to do Feature Selection/Dimension Reduction?It’s important to choose the best features for the machine learning models. Removing irrelevant features results in:Jan 12, 2019Jan 12, 2019
Yanlin ChenHow to build a LDA Topic Model using from textIn natural language processing, latent Dirichlet allocation (LDA) is a “generative statistical model” that allows sets of observations to…Dec 17, 20186Dec 17, 20186