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Issue No.03 - May-June (2012 vol.32)
pp: 6-9
Marcin Kozak , University of Information Technology and Management in Rzeszow
ABSTRACT
A visit from Superman shows why data visualization should come before data analysis. The Web extra is a dataset that comprises 100 observations of the quantitative variables y and x plus the qualitative variable group. When analyzed correctly, this dataset exhibits an interesting pattern.
INDEX TERMS
Data analysis, data visualization, linear-regression models, statistical analysis, applied statistics, David Farnsworth, Francis Anscombe, datasets, computer graphics
CITATION
Marcin Kozak, "Watch Out for Superman: First Visualize, Then Analyze", IEEE Computer Graphics and Applications, vol.32, no. 3, pp. 6-9, May-June 2012, doi:10.1109/MCG.2012.46
REFERENCES
1. E.R. Tufte, The Visual Display of Quantitative Information, Graphics Press, 1983.
2. W.S. Cleveland, Visualizing Data, Hobart Press, 1993.
3. W.S. Cleveland, The Elements of Graphing Data, 2nd ed., Hobart Press, 1994.
4. M. Kozak, “Basic Principles of Graphing Data,” Scientia Agricola, vol. 67, no. 4, 2010, pp. 483–494; www.scielo.brscielo.php?pid=S0103-90162010000400017&script=sci_arttext .
5. D.L. Farnsworth, “Playing with Residuals,” Teaching Statistics, vol. 31, no. 3, 2009, pp. 81–84.
6. F.J. Anscombe, “Graphs in Statistical Analysis,” The Am. Statistician, vol. 27, no. 1, 1973, pp. 17–21; www.sjsu.edu/faculty/gerstman/StatPrimer anscombe1973.pdf.
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