PinnedXinzhe Li, PhD in Language IntelligenceinLevel Up CodingMastering OpenAI’s ChatGPT Integration in Python: A Comprehensive Guide (UPDATED)Navigating Versions (0.x.x, 1.x.x), Models, Message Parameters, and Cost Management Strategies·6 min read·Mar 6, 2023--2--2
PinnedXinzhe Li, PhD in Language IntelligenceinLevel Up CodingImplementation of LLM Agents: Should You Opt for LangChain?Comparing LangChain and From-Scratch Implementations·14 min read·Apr 29, 2024--2--2
Xinzhe Li, PhD in Language IntelligenceinLevel Up CodingComprehensive Guide to Training Large Language Models in PyTorchA Step-by-Step Tutorial on Transformer Architecture, Data Preparation, and Practical Training Techniques from Scratch·13 min read·10 hours ago----
Xinzhe Li, PhD in Language IntelligenceTerrified, Mortified, Petrified: Is GPT-4o Truly an End-to-End Multi-Modal Model?GPT-4 Omni Says It Is Not an End-to-End Multi-Modal Model5 min read·3 days ago----
Xinzhe Li, PhD in Language IntelligenceinLevel Up CodingFrom Theory to Code in Machine Learning (Part 2): Maximum Likelihood Estimation for ClassificationImplementing Logistic Regression from Scratch in Python·6 min read·Apr 24, 2024----
Xinzhe Li, PhD in Language IntelligenceinLevel Up CodingPrincipal Component Analysis: A Comprehensive ExplanationAn Intuitive, Mathematically , and Step-by-Step Coding Guide11 min read·Mar 26, 2024----
Xinzhe Li, PhD in Language IntelligenceStatistical Inference v.s. Statistical Estimation v.s. ML InferenceThis blog post is used to reflect my students (also myself ) of some coarse arguments during the initial learning of statistical concepts.3 min read·Mar 18, 2024----
Xinzhe Li, PhD in Language IntelligenceData Wrangling and Preprocessing in Python: A Practical GuideConsider a dataset intended for a rating system, which spans a range from 1 to 10 but includes an outlier (100) and a missing value (NA)…6 min read·Mar 11, 2024----
Xinzhe Li, PhD in Language IntelligenceinLevel Up CodingFrom Theory to Code in Machine Learning (Part 1): Maximum Likelihood Estimation in RegressionImplementing Linear Regression from Scratch in Python7 min read·Mar 7, 2024----
Xinzhe Li, PhD in Language IntelligenceinLevel Up CodingPython: Scripts, Modules andPackagesSection 1: Scripts v.s. Modules5 min read·Mar 1, 2024----