longley2 {RXshrink}R Documentation

Art Hoerl's update of the infamous Longley(1967) benchmark dataset

Description

Data from the "Employment and Training Report of the President, 1976" compiled by Art Hoerl, University of Delaware. This data.frame contains both [1] some different ("corrected") numerical values from those used by Longley(1967) and [2] the added years of 1963-1975. Longley(1967) used only data from the 16 years of 1947 through 1962.

Usage

data(longley2)

Format

A data.frame of 7 variables covering 29 consecutive years; no NAs.

GNP.deflator

GNP price deflation index.

Unemployed

Unemployment percentage.

Armed.Forces

Size of the Armed Forces.

Population

Total U.S. Population.

Year

1947 to 1975.

Employed

employment.

GNP

Gross National Product.

References

Longley JW. An appraisal of least-squares programs from the point of view of the user. J. Amer. Statist. Assoc. 1967; 62: 819-841.

Hoerl AE, Kennard RW. Ridge Regression - Present and Future. 12th Symposium on the Interface. 1979. Waterloo, Ontario, Canada.


[Package RXshrink version 2.3 Index]