RL00 - A glimpse of Reinforcement Learning
This post summarizes reinforcement learning from classic tabular methods to ML-based approximations and recent LLM applications like RLHF.
Tag: #Data Science
5 posts
Complete walk through of confidence intervals
In this article, I will provide a complete walk through of a popular concept in data science interviews - the confidence interval, from its intuition, definition to actual computation.
Dealing with structured data - SQL cheatsheet
SQL (Structured Query Language) is the backbone of relational databases. This guide breaks SQL into its five command types—DQL, DML, DDL, DCL, TCL.
Recommender Series 1 - Overview
In this article, I will give an overall introduction about recommenders, including how the recommendation problem arises, the abstract models and the key problems when building a new recommender.
...Index System Introduction
In this article, you will find an brief definition of Index system, how is it useful and how to build one on your own.