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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.
2025-06-24
Notes
#Data Science #Reinforcement Learning

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.
2024-07-05
Notes
#Data Science

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.
2024-01-26
Notes
#Data Science #SQL

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.
2023-11-21
Notes
#Computer Science #Data Science

SD - 3. How to use diffusion web ui? - Scripts, Extras, Extensions

In this post, I will briefly walk through some of the auxiliary functions provided in stable diffusion web ui for earlier idea testing and experience enhancement.
2023-05-21
Tutorial
#Artificial Intelligence #Diffusion

SD - 2.How to use diffusion web ui? - img2img

In this article, I will provide a walkthrough of common features on img2img tab.
2023-04-25
Tutorial
#Artificial Intelligence #Diffusion

Thinking about LLMs and Multi-modality

In this post, I would discuss some of my thoughts on Multi-modality and future LLMs directions. Welcome to post your thoughts in the comments and discuss with me.
2023-03-21
Informal Essays
#Artificial Intelligence #Generative AI

SD - 1. How to use diffusion web ui? - txt2img

In this article, I will provide a walkthrough of common features on stable diffusion webui's txt2img tab and how to use them to produce better quality pictures as you wish.
2023-03-07
Tutorial
#Artificial Intelligence #Diffusion

SD - 0. How to set up your diffusion webui?

In this article, I will present a step-to-step guide to help you set up stable-diffusion-webui uploaded by automatic1111.
2023-02-28
Tutorial
#Artificial Intelligence #Diffusion

Thinking about Generative AI

In this post, I would give a brief introduction of recent popular generative AIs, and then dicsuss some of its pros and cons.
2023-02-14
Informal Essays
#Artificial Intelligence #Diffusion #Generative AI #ChatGPT
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