freeny
Freeny's Revenue Data

Description

These data sets represent quarterly revenue data from the years 1962-1971. The data are commonly used to test linear regression programs.

Usage

freeny.x
freeny.y

Details

freeny.x
A matrix of predictor variables: 39 quarterly observations of 4 variables. The columns are "lag quarterly revenue" (revenue from the previous quarter), "price index", "income level", and "market potential".
freeny.y
A time series of quarterly revenue: 39 observations from Q2 1962 to Q4 1971.
freeny
A data.frame containing the data in freeny.y and freeny.x.
Source
Freeny, A.E. (1977). A Portable Linear Regression Package with Test Programs. Bell Laboratories memorandum.
Examples
summary(lm(y~., data=freeny))
Package Sdatasets version 6.0.0-69
Package Index