Isabella – Medium

Isabella

Approach to Evaluate Customer Lifetime Value (CLV)

What is customer lifetime value (CLV)?

6 min readJul 20, 2022

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Approach to Evaluate Customer Lifetime Value (CLV)

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Isabella

T-tests — when to use which?

In many tech companies, experiments on product features (think display of buttons/CTA, arrangement/order of selection, displaying/hiding…

5 min readFeb 1, 2022

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T-tests — when to use which?

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Isabella

Feature 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…

9 min readJun 5, 2021

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Feature Transformation in Machine Learning: Why, When and How?

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Isabella

Resampling Techniques for Cross-Validation in Machine Learning

In machine learning, cross-validation is often performed to select the best hyper-parameter for a model. Once the hyper-parameters are…

5 min readJun 1, 2021

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Resampling Techniques for Cross-Validation in Machine Learning

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Isabella

Things to Take Note: Web Scraping

Not all sites provide developer’s API for easy access to their data. Possessing web scraping knowledge allows data analysts to supplement…

4 min readFeb 6, 2021

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Things to Take Note: Web Scraping

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Isabella

Minimum 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…

4 min readJan 11, 2021

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Isabella

Isabella

Product analyst, curious about data science, personal finance, baking…! Currently snooping around growth — happy to chat if you’ve growth experiences!

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