Methods of classifying data Flashcards
Which method sets breaks at naturally occurring gaps?
Jenks
Jenks method is best for what kind of data?
unevenly distributed
Which method divides values into a specified # of classes of equal size
Equal interval
What method is best for ratio data such as income and precipitation?
Equal interval
What is different about the Equal interval and Defined interval method?
Defined method allows user to specify size of class interval.
Which method puts the same number of features in each class?
Quantile
The quantile method is best for what type of data?
uniformly distributed
Which method creates a balanced map with all classes equally represented?
Quantile
Which method is based on a geometric series?
geometric interval
How does the geometric interval method sort features?
Each class is multiplied by a constant coefficient to produce a next higher class.
Which method is best for continuous data (precipitation) and positively skewed data?
geometric interval
Which method is best for highlighting which values or typical and which are outliers?
standard deviation
Standard deviation is best for which type of data?
Normally distributed
