Lecture Notes Date & Context: These notes summarize a lecture covering data pre-processing, data wrangling, data quality checks, and preparation for the upcoming “Black Hat Visualization” exer...

Benford’s Law and Zipf’s Law These are two empirical statistical laws that describe the distribution of certain types of data. Both laws reveal patterns in seemingly random datasets, often surprisi...

关系的定义 关系在数学和逻辑上表示一种映射或关联，将一个集合中的元素（输入）与另一个集合中的元素（输出）进行匹配。在这里： 买入时的价格（在 R 集合中）和 卖出时的价格（在 C 集合中）之间存在一个关系。 这个关系是“卖出价格是买入价格的三倍”。 为什么是单一关系？ 买入和卖出股票的时间点虽然看起来是两个点，但它们...

Interaction in Visualization Why Interaction? Interaction transforms static diagrams into tools for data exploration. Allows users to: Adjust the visualization: Zoom, pan, filter,...

Lecture Notes on Basic Chart Types and Visualization Principles Date: (From the provided transcript) Topic: Basic Chart Types (Scatterplots, Line Charts, Area Charts, Bar Charts, Histograms, and R...

Lecture Notes on Data Visualization and HCI Overview This lecture delves into the foundational aspects of data visualization: the visualization pipeline, visual encoding, marks and channels, colo...

How We Perform Task Abstraction in Data Visualization Design Task Abstraction is a fundamental step in the data visualization design process. It involves identifying, categorizing, and understandi...

Topic: Transitioning from Interaction Techniques to Data Visualization Design Processes, Data & Task Abstractions, and the Design Activity Framework Introduction & Recap The professor ...

Optimizing Machine Learning Cost Function with Regularization 1. Understanding Cost Function and Regularization In our discussion, we explored a machine learning cost function with regularization...