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Learning D3.JS 5.0 7.1: Circles in Action

Learning D3.JS 5.0 7.1: Circles in Action

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

This video tutorial covers the creation of scatter plots using D3.js. It begins with an introduction to scatter plots and their applications in data visualization. The tutorial then explains the setup of HTML and necessary scripts, followed by styling and data variable configuration. It provides detailed steps for creating SVG elements and building a scatter plot, including customizing attributes like radius and color. The video concludes with a preview of the scatter plot and a teaser for the next tutorial on adding labels.

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of a scatter plot?

To list data in a sequential order

To show relationships between two variables

To display data in a tabular format

To represent data in a pie chart

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which file is essential for creating a scatter plot using D3.js?

index.html

style.css

d3.js

data.json

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What change was made to the margin in the CSS styling?

Increased from 10 pixels to 20 pixels

Decreased from 20 pixels to 10 pixels

No change was made

Changed from 15 pixels to 25 pixels

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the 'data' variable in the JavaScript code?

To manage user inputs

To hold the data points for the scatter plot

To store HTML elements

To define CSS styles

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which method is used to append SVG elements in the JavaScript code?

createElement

appendChild

append

insert

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What attribute is set to define the size of the circles in the scatter plot?

width

radius

color

height

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which method is used to select all circle elements in the SVG?

getElementById

querySelector

selectAll

select

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