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The Importance of Classification
Classification allows you to structure the thematic communication message. How well this is done depends largely on your ability to understand the geographic phenomenon. The classification operation behaves pretty much like a group of stacked sieves. Each sieve acts as a class boundary, and only values of certain sizes are allowed to pass into one of several classes (Dent 1999).
The sieve analogy in classification.
Each sieve functions as a screen allowing only balls of a certain size to drop through to the next level. Each sieve can be compared to a taxonomic criteria established for the particular study. Spaces between the sieves become the classes, and the sieves are the class boundaries (Dent 1999).
Discover interactively the sieve analogy
Discover interactively the sieve analogy: click on "Classify Data" to start classification.
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