longley
Longley's Regression Data
Description
The longley.x and longley.y data sets contain regression data from a study by J.W. Longley. The regression is known to be highly collinear.
Arguments
| longley.x |
matrix with 6 columns giving the GNP implicit price deflator (where 1954=100), the GNP, the number of unemployed people, the number of people in the armed forces, the noninstitutionalized population 14 years of age and older, and the year.
|
| longley.y |
number of people employed annually, from 1947 to 1962.
|
| longley |
a data frame made from the longley.x matrix and the longley.y
vector.
|
Source
Longley, J.W. (1967).
An appraisal of least-squares programs from the point of view of the user.
Journal of the American Statistical Association 62: 819--841.
Republished by permission of the American Statistical Association.