SY DE 542. Design Phase 3 : Multi-Variate Constraints Configural & Mass Data Displays Feb 7, 2005 R. Chow Email: [email protected] Multivariate Constraints. Relationships between 2 or more variables May be at same abstraction level May be across levels Often equations.
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VA1(t) + VA2(t)
Heat transfer efficiency
T1, T2, T3, T4, water flow
Select key variables that measure overall status.
Get normal values.
Determine alarm limits, colour coding.
Normalization creates the shape.
Designed by Florence Nightingale
Vessel temp profile, vessel state
Mass Data Display
Data are normalised so normal=horizontal
Data are normal
Mark is line
Change is in angle
Organisation is plant topology
Data are deviating
Website use (access and errors)
Mark is the line between elements
Clustering of lines shows information
Mass Data Display for Financial Market
Mark is rectangular shape, “Tile map”
Varies in Colour to show Gains and Losses
Technique: Coloured tiles