overall behavior of data By helping to identify noise and outliers they are

Overall behavior of data by helping to identify noise

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overall behavior of data . By helping to identify noise and outliers, they are especially useful for data cleaning . Data visualization techniques may be pixel-oriented, geometric-based, icon-based, or hierarchical. These methods apply to multidimensional relational data. Additional techniques have been proposed for the visualization of complex data, such as text and social networks. Gain insight into the data by: Basic statistical data description: central tendency, dispersion, graphical displays Data visualization: map data onto graphical primitives Measure data similarity 57
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Data Mining Exploratory Data Analysis Questions 58 Next time: Data Preprocessing 1 Reading: Han Ch. 2 Watching: Hans Rosling's 200 Countries, 200 Years, 4 Minutes - The Joy of Stats - BBC Four, . The best stats you've ever seen - Hans Rosling, https:// . The beauty of data visualization - David McCandless, https:// ; index=2 .
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