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8.2.57.39 tblish.dataset.longley ¶

Static Method: out = longley () ¶

Longley’s Economic Regression Data

Description ¶

A macroeconomic data set which provides a well-known example for a highly collinear regression.

Format ¶

Year

The year.

GNP_deflator

GNP implicit price deflator (1954=100).

GNP

Gross National Product.

Unemployed

Number of unemployed.

Armed_Forces

Number of people in the armed forces.

Population

“Noninstitutionalized” population ≥ 14 years of age.

Employed

Number of people employed.

Source ¶

J. W. Longley (1967). An appraisal of least-squares programs from the point of view of the user. Journal of the American Statistical Association, 62, 819–841.

References ¶

Becker, R. A., Chambers, J. M. and Wilks, A. R. (1988). The New S Language. Monterey: Wadsworth & Brooks/Cole.

Examples ¶

t = tblish.dataset.longley;

# TODO: Linear model
# TODO: opar plot