Join Emma Saunders for an in-depth discussion in this video Parsing HTML, part of D3.js Essential Training for Data Scientists.
- [Instructor] D3 allows you to download webpages…or parts of webpages.…Perhaps a particular html element on a webpage…always contains public economic data…and you want to drive a graphic on your site…from this data.…You wouldn't want to download the data…or put it in a database to show it.…Not if that meant you had to update your database every day.…It's far cleaner to scrape the data off a webpage…if you have permission.…Just going to comment out these logs to the console…and then we're going to write a D3.html handler.…
Using the D3.hmtl function is much like using…the other functions to begin with.…We pop the url in here…and this time it's real url…and I'm going to pop in…this website here.…Then we have .get as normal…and inside .get we put the normal function…and if we log that to the console,…let's see what we have.…We've still got a persistent xml line here…so I'm just going to whip that out.…There it is.…Sneakily save that…and refresh.…
So this is what we've been returned.…It's called a document fragment…and if we click on it,…
- Making a simple bar chart with D3
- Understanding SVG graphics
- Drawing basic shapes
- Adding text
- Using generators and the path element
- Creating a scale and axes
- Importing data into D3
- Creating trees and Voronoi tessellations
- Preparing your data for advanced graphics
- Adding interactivity and transitions
- Choosing the right graphic
- Finding D3.js plugins
Skill Level Intermediate
Data Visualization for Data Analystswith Bill Shander1h 31m Beginner
2. Making a Simple Bar Chart with D3
3. Basic Shapes, Courtesy of SVG
4. Advanced Shapes, with D3 and Path
5. Scales and Axes
6. Importing Data into D3
7. Additional Graphics with D3 Layout
8. Preparing Your Data for Advanced Graphics
10. Picking the Right Graphic
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