1. Review of Classification Techniques Lumpers or Splitters?

2. What field do you want to display?

3. Qualitative Data

5. Quantitative Data

7. Classification Methods for Quantitative Data: Natural Breaks (Jenks – default) Equal Interval Quantile Standard Deviation

8. Natural Breaks – Obvious differences

9. Changing Classifications

10. Equal Interval – Notice the equal ranges of values. Quantile – Equal number of features. Notice, values are unimportant.

11. There are not an equal number of states per class. Equal Area There are 5 states in each category Quantile

12. There are 5 states in each category – the top most populated, the next 5 most populated ….. The 5 least populated states.

13. Standard Deviation

14. Standard Deviation 2000 Population Data These are average size populations