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 6.1.5-18
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