IsabellaApproach to Evaluate Customer Lifetime Value (CLV)What is customer lifetime value (CLV)?Jul 20, 2022Jul 20, 2022
IsabellaT-tests — when to use which?In many tech companies, experiments on product features (think display of buttons/CTA, arrangement/order of selection, displaying/hiding…Feb 1, 2022Feb 1, 2022
IsabellaFeature Transformation in Machine Learning: Why, When and How?Features in the dataset often need to be preprocessed before it is used in machine learning models for better model performance, which is…Jun 5, 2021Jun 5, 2021
IsabellaResampling Techniques for Cross-Validation in Machine LearningIn machine learning, cross-validation is often performed to select the best hyper-parameter for a model. Once the hyper-parameters are…Jun 1, 2021Jun 1, 2021
IsabellaThings to Take Note: Web ScrapingNot all sites provide developer’s API for easy access to their data. Possessing web scraping knowledge allows data analysts to supplement…Feb 6, 2021Feb 6, 2021
IsabellaMinimum Sample Size for A/B Test (Power analysis)The purpose of A/B testing is to find out if the treatment group performs significantly better than the control group in a certain success…Jan 11, 2021Jan 11, 2021
