Sunday, December 7, 2008

Star plot


The star plot or Irregular polygon, or polar chart is a graphical method of displaying multivariate data. Each star represents a single observation. Starplots allow you to compare multiple variables for each observation. Starplots allows for easy visualization of many variables. This illustrates the use of light hydrocarbon ratios to assess oil similarities or differences, which is especially important when dealing with condensates (after Halpern, 1995).

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