Session 4: Transforms, interactive data viz — Intro to data wrangling & analysis in JavaScript
Session 4 topics:
Basic data analysis
Exploratory data analysis continued
Observable Plot continued
In this course, you’ll learn basic skills and methods for working with data in JavaScript, including: arrays and how to work with them, essential programming methods and operators (like arrow functions, iteration, and logical operators), basic data wrangling, and exploratory analyses with descriptive statistics and data visualization.
Instructor: Allison Horst (Data Scientist Advocate at Observable)
00:00 - Welcome, recap and warm-up activity
13:55 - Mathematical transforms (log, exp, sort)
17:58 - Observable Plot built-in transforms
33:25 - Meet Observable’s Chart Cell
40:20 - Interactive data viz with Observable Inputs
57:55 - Course wrap-up
Aggregated course materials: https://observablehq.com/collection/@...
Session 4 notebook: https://observablehq.com/@observableh...