This page collects the academic and course-related materials on Undertide. Individual notes keep their original URLs, but this page is the stable entry point for browsing them by course and topic.
Course Collections
STA305 - Design and Analysis of Experiments
Experimental design, ANOVA, factorial designs, causal inference, power planning, and exam practice materials.
STA414 - Machine Learning II
Machine learning notes around probability foundations, Bayesian inference, ELBO, EM, variational inference, graphical models, neural networks, and exam aidsheets.
STA437 - Multivariable Statistics
Multivariable statistics materials including PCA, factor analysis, ICA, matrix review, midterm and final practice, and a handwritten-digit essay.
STA447 - Stochastic Process
Stochastic process notes around Markov chains, martingales, optional stopping, Brownian motion, and Ito calculus.
STA457 - Time Series Analysis
Time series notes covering stationarity, autocovariance, white noise, decomposition, AR/MA/ARMA models, forecasting, and final review material.
Statistics and Data Work
Exploring Influential Factors to Housing via MLE
Multiple linear regression model exploration and model-selection workflow.
Data Visualization: Design, Standards, and Implementation
English data-visualization foundations, design principles, and implementation notes.
数据可视化 —— 设计，标准，实现技术
中文数据可视化笔记，和英文 data-visualization page 对应但不强制作为逐句翻译。