Posts | Qianqian Shan

I know that I know nothing.
--- Socrates

DDIA - Data Models and Query Languages

14 May 2021 DDIA, System Design

Reading notes of Chapter 2 of Designing Data-Intensive Applications (DDIA).

DDIA - Reliable Scalable and Maintainable Applications

19 April 2021 DDIA, System Design

Reading notes of Chapter 1 of Designing Data-Intensive Applications (DDIA).

A/B Testing

6 April 2021 Udacity, AB Test

Study notes of A/B testing online course from https://www.udacity.com/course/ab-testing--ud257.

Trustworthy Online Controlled Experiments - Metrics

28 March 2021 AB Test, Online Controlled Experiments

High-level summary and thoughts about Chapter 6 and 7 of Kohavi, Ron, Diane Tang, and Ya Xu. Trustworthy online controlled experiments: A practical guide to a/b testing. Cambridge University Press, 2020.

Recommender Systems In Practice

10 June 2019 Recommender Systems, Collabarative Filtering, Deep Learning, Auto-Encoders, Restricted Boltzmann Machine, Multi-armed Bandit

This is the documentation of my recommender system project at https://qianqianshan.com/projects/recommender_system/.

Notes on Elements of Statistical Learning

4 May 2019 Machine Learning, Data Mining, Predictive Inference, Statistical Learning, Theory

Study notes of ‘Elements of Statistical Learning’ written by Hastie, Tibshirani and Friedman. Read the book from the authors’ website https://web.stanford.edu/~hastie/ElemStatLearn/. The supplemental videos at https://www.r-bloggers.com/in-depth-introduction-to-machine-learning-in-15-hours-of-expert-videos/ may also be helpful.

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