longley
Documentation |
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Longley's Economic Regression DataA macroeconomic data set which provides a well-known example for a highly collinear regression. Usagelongley FormatA data frame with 7 economical variables, observed yearly from 1947 to 1962 (n=16).
The regression SourceJ. 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. ReferencesBecker, R. A., Chambers, J. M. and Wilks, A. R. (1988) The New S Language. Wadsworth & Brooks/Cole. Examplesrequire(stats); require(graphics) ## give the data set in the form it is used in S-PLUS: longley.x <- data.matrix(longley[, 1:6]) longley.y <- longley[, "Employed"] pairs(longley, main = "longley data") summary(fm1 <- lm(Employed ~ ., data = longley)) opar <- par(mfrow = c(2, 2), oma = c(0, 0, 1.1, 0), mar = c(4.1, 4.1, 2.1, 1.1)) plot(fm1) par(opar) |
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dataset-88418.csv | 792 bytes |