Longley's Regression Data
US macroeconomic time series, 1947–1962.
data("Longley")An annual multiple time series from 1947 to 1962 with 4 variables.
Number of people employed (in 1000s).
GNP deflator.
Gross national product.
Number of people in the armed forces.
An extended version of this data set, formatted as a "data.frame"
is available as longley in base R.
Online complements to Greene (2003). Table F4.2.
Greene, W.H. (2003). Econometric Analysis, 5th edition. Upper Saddle River, NJ: Prentice Hall.
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.
data("Longley")
library("dynlm")
## Example 4.6 in Greene (2003)
fm1 <- dynlm(employment ~ time(employment) + price + gnp + armedforces,
data = Longley)
fm2 <- update(fm1, end = 1961)
cbind(coef(fm2), coef(fm1))
## Figure 4.3 in Greene (2003)
plot(rstandard(fm2), type = "b", ylim = c(-3, 3))
abline(h = c(-2, 2), lty = 2)Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.