TAILIEUCHUNG - Lecture note Data visualization - Chapter 6

This chapter presents the following content: Quantitative messages related to data visualization, characteristics of effective graphical display. | Lecture 06 Recap Quantitative Messages related to Data Visualization Characteristics of Effective Graphical Display Visual perception and Data Visualization A human can distinguish differences in line length, shape orientation, and color (hue) readily without significant processing effort These are referred to as "pre-attentive attributes" For example, it may require significant time and effort ("attentive processing") to identify the number of times the digit "5" appears in a series of numbers; but if that digit is different in size, orientation, or color, instances of the digit can be noted quickly through pre-attentive processing Continued . Effective graphics take advantage of pre-attentive processing and attributes and the relative strength of these attributes For example, since humans can more easily process differences in line length than surface area, it may be more effective to use a bar chart rather than pie charts Types of Information Display Two primary types Tables .

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• Data visualization
• Lecture note Data visualization
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• Data visualization with matlab
• Effective graphical display