1.2 KiB
1.2 KiB
Fundamentals of Information Visualisation
How to make use of data?
- How do we avoid being overwhelmed?
- How do we make sense of the data?
- How do we harness this data in decision-making process?
Objective
- Transform the data into information (understanding & insight)
What is Information Visualisation
- “… finding the artificial memory that best supports our natural means of perception.” - Bertin 1967
- “The use of computer -generated, interactive, visual representations opf data to amplify cognition” - Card, Mackinlay & Shneiderman 1999
Anscombe’s Quartet
Here we can see that statistically these sets are similar
However graphing them, we can see that these data sets are very different.
Common Information Visualisations
- Pie charts
- Very common, easy to understand, visually appealing
- Can make comparisons harder with many segments
- Bar chart
- Makes comparisons between bars easier
- Calendar View
- https://observablehq.com/@d3/calendar
- Can spot long-term trends - e.g. seasonal, annual trends
Wikipedia Edit Evolution
Note the use of colour and shape.