C HAPTER 10 D ATA D ISPLAY T ABLES, G RAPHS, M APS, V ISUALIZATIONS.

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Presentation transcript:

C HAPTER 10 D ATA D ISPLAY T ABLES, G RAPHS, M APS, V ISUALIZATIONS

G UIDELINES FOR DESIGN DISPLAY Effective communication Aesthetically pleasing Image: html?action=Popup

T ABLES Are organized lists, arrays or matrices of data Show data values directly with numbers (or class labels for nominal variables) Communicate general patterns

T ABLES DEPICT DATA IN TWO WAYS Distribution Tables Frequency Relative Frequency Cumulative Frequency Cumulative Relative Frequency Derived Scores Percentiles z Scores Contingency Table Descriptive Index Tables Presents measures of central tendency, variability, relationship, and so on.

G RAPHS ARE PICTORIAL REPRESENTATIONS OF DATA Principles of Good Graphing Label clearly and sufficiently Avoid uninformative and content-free graphic marks Fill the graph space with data marks Types of graphs Distribution Graphs Line graphs Curve-fitting graphs Relationship Graphs Scatterplot Ternary Diagram Bar Graph Histogram Circle Diagram Small Multiples graph

G RAPHS ARE PICTORIAL REPRESENTATIONS OF DATA Latitude

M APS ARE GRAPHIC DISPLAYS THAT DEPICT EARTH - REFERENCED FEATURES AND DATA Reference Maps focus on depicting a variety of actual earth-surface features as accurately and precisely as possible Thematic Maps focus on showing the spatial distribution of one or a few thematic variables g

N EW T RENDS IN S CIENTIFIC V ISUALIZATION Information Visualization Geo-visualization Spatialization Animations Augmented Reality Virtual Reality W HAT ARE SOME EXAMPLES OF THESE TYPES OF VISUALIZATIONS ?

D ISCUSSION What does the design principle of “effective communication” mean, and what are some considerations that stem from this principle? What are some principles of good graphing and specific design guidelines that derive from them Selectivity, projection, generalization, and varying symbol abstractness are always involved in mapping. Why are they always involved, and why are they potentially misleading to map viewers?

John Snow’s map from 1854 mapping cholera deaths in London. cla.edu/epi/snow/ snowmap1_1854 _lge.htm