#### 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