053--Data Visualisation数据可视化(二)
“Data graphics visually display measured quantities by means of the combined use of points, lines, a coordinate system, numbers, symbols, words, shading and color”
Aims of Visualisation
1. Tell the truth
2. Make the user think about the data
3. Don't distort
4. Make the data understandable
5. Serve a clear purpose
“Information Visualization: The use of computer supported interactive visual representations of abstract data to amplify cognition”
Gives the viewer the greatest number of ideas
in the shortest time
with the least ink
in the smallest space
Tells the truth about data
Representing one dimension of data?
Increase your graphic in one dimension only!
Representation of data should be proportional to the data itself
Detailed and thorough labelling of data
Data variation, not design variation
Think about measures over time
How has value of money changed?
Data dimensions should be the same as graphic dimensions
Show the data in context
Comparative
Multivariate
High-Density
Large data matrix
High data:ink ratio
Narrative
