Descriptive Statistics and Data Classification |  |
Chapter OutlineChapter 5: Descriptive Statistics and Data Classification
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OVERVIEW OF A DATA SHEET
Ratio, Proportion, Percent, and Rate
Descriptive Statistics
Skewness
Kurtosis
DATA CLASSIFICATION
Selection of the Number of Classes
Nothing is Sacred
Values of Zero or No Data
Data Classification Schemes
Natural Breaks
Optimization
Nested Means
Mean and Standard Deviations
Equal Interval
Equal Frequency
Arithmetic and Geometric Intervals
User Defined
Assessment Indices
Things to Watch Out For
Outliers and Data Truncation
Zero-Observation Classes
SUMMARY AND COMPARISON OF MAJOR CLASSIFICATION METHODS
REFERENCES
GLOSSARY
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2009 McGraw-Hill Higher Education