Method: Lurking Variable

Methods: Lurking Variable, Outlier, Regression,
Topics: Consumer, Engineering, Automotive,
Datafile Name: Cars
Abstract:

In a regression to predict fuel consumption (measured in Gallons/100 miles -- see the related story "Measuring Fuel Efficiency") from the weight and drive ratio of cars, the Buick Estate Wagon shows up as an outlier. Remarkably enough, even though the Buick Estate Wagon has high fuel co...

Methods: Collinearity, Correlation, Causation, Lurking Variable, Regression,
Topics: Social Science,
Datafile Name: US Crime
Abstract:

These data are crime-related and demographic statistics for 47 US states in 1960. The data were collected from the FBI's Uniform Crime Report and other government agencies to determine how the dependent variable crime rate (R) depends on the other variables measured in the ...

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