Freeny's data on quarterly revenue and explanatory variables.
freeny freeny.x freeny.y
There are three ‘freeny’ data sets.
freeny.y is a time series with 39 observations on quarterly
revenue from (1962,2Q) to (1971,4Q).
freeny.x is a matrix of explanatory variables. The columns
freeny.y lagged 1 quarter, price index, income level, and
freeny is a data frame with variables
market.potential obtained from the above two data objects.
A. E. Freeny (1977) A Portable Linear Regression Package with Test Programs. Bell Laboratories memorandum.
Becker, R. A., Chambers, J. M. and Wilks, A. R. (1988) The New S Language. Wadsworth & Brooks/Cole.
require(stats); require(graphics) summary(freeny) pairs(freeny, main = "freeny data") # gives warning: freeny$y has class "ts" summary(fm1 <- lm(y ~ ., data = freeny)) 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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