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 the 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, by 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.