Liu Cong’s notebooks | Observable

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Liu Cong’s notebooks | Observable

Liu Cong

@liucsny

Designer, Tongji University

41

5

6

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KNN K-Neareast-Neighbors

Sep 18, 2025

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Neural Network from Scratch

Sep 26, 2025

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New Color Scheme Validation - Categorical

Jul 5, 2024

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Bar Chart Example

Feb 27, 2024

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Combination Chart

Nov 15, 2023

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Combination Chart

Aug 29, 2023

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Color Scheme Picker

Oct 11, 2024

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D3 Stack Function

Aug 7, 2023

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New Color Scheme Validation - Sequential

Oct 11, 2024

1

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New Color Scheme Validation - Categorical - Public

Oct 20

1

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New Color Scheme Validation - Sequential

Jul 25, 2023

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Color Analysis - Sequential Color - D3

Sep 4, 2024

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Apr 25, 2023

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Processing (p5.js)

Apr 23, 2023

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Grouped Bar Chart

Apr 25, 2023

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Fifa World Cup Visualization - Goal Badges by Country

Jun 21, 2024

1

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Mar 31, 2023

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Pie Chart & Donut Chart

Apr 23, 2023

1

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JS Array Manipulation

Mar 31, 2023

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Global Population Changes Bar Chart

Mar 23, 2023

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Which Country scored the most goals in the Fifa World Cup history?

Apr 21, 2023

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Mar 8, 2023

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Feb 23, 2023

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Mar 13, 2023

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Color Analysis - Lightness Chroma Plot - D3

Sep 4, 2024

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Feb 17, 2023

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Color Analysis - Hue Radial Plot - D3

Jul 21, 2023

3

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Color Analysis - D3

Jul 20, 2023

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Color Analysis - Plot

Feb 14, 2023

1

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Jun 20, 2024

2

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China Map Bubbles

Apr 1, 2021

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Feb 19, 2024

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Bar Chart Race of China Cities by GDP

Nov 6, 2020

2

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Companies of Shanghai

Nov 3, 2020

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China City GDP Line Chart Visualization V2

Mar 21, 2021

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File Attachments

Oct 30, 2020

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Animation Loops

Oct 30, 2020

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Introduction to Views

Oct 30, 2020

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Observable’s not JavaScript

Oct 30, 2020

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China City GDP Line Chart Animation

Oct 31, 2020

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