Study: Data Visualization

Grade 8

Subject Mathematics

Topic Geometry

Study Guide: Data Visualization

All about how to read visual data.

What is Data Visualization?

Data visualization is a fancy name for turning raw information into meaningful pictures. is the graphical (pictoral) representation of information. By using visual elements such as charts, graphs, maps, and animation, data visualization tools provide an accessible way to see and understand trends, outliers, and patterns in data.

Vocabulary

Data: The raw information, usually in numbers and often tabulated into rows and columns
graphical representation: Pictures illustrating underlying data
Visual Element: Parts of the picture that add meaning
Chart: Data sorted into columns and rows
Graph or Graphic: Latin for Picture
Map: A visual model, for example of the Earth showing land and sea, roads and cities, mountains and forests, national boundaries, etc.
Trend: A pattern in the data that helps us predict the future
Pattern: A regular or repeating design that gives meaning
Outlier: Specific values in data that do not seem to fit the pattern

Types of charts and graphs

Table

Line Chart

Bar Chart

Stacked Bar Chart]

Pie Chart

Scatter Plot

3D Graph

Histogram

Spider Chart

Flow Chart

Gantt Chart

Hierarchy Diagram

Timeline

Tree Diagram

Radial Tree

Sunburst Chart

Venn Diagram

Heat Map

Solar Terminator (Night and Day)

Pictogram

Animation

Word Cloud (Interactive)

Epicyclic Gearing (Interactive)

From Wikipedia: “one or more outer gears, or planet gears, revolving about a central, or sun gear… Epicyclic gearing systems also incorporate the use of an outer ring gear or annulus, which meshes with the planet gears.”