# R Dataset / Package datasets / freeny

On this R-data statistics page, you will find information about the freeny data set which pertains to Freeny's Revenue Data. The freeny data set is found in the datasets R package. You can load the freeny data set in R by issuing the following command at the console data("freeny"). This will load the data into a variable called freeny. If R says the freeny data set is not found, you can try installing the package by issuing this command install.packages("datasets") and then attempt to reload the data with the library() command. If you need to download R, you can go to the R project website. You can download a CSV (comma separated values) version of the freeny R data set. The size of this file is about 1,614 bytes.

## Freeny's Revenue Data

### Description

Freeny's data on quarterly revenue and explanatory variables.

### Usage

freeny freeny.x freeny.y

### Format

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 are `freeny.y`

lagged 1 quarter, price index, income level, and market potential.

Finally, `freeny`

is a data frame with variables `y`

, `lag.quarterly.revenue`

, `price.index`

, `income.level`

, and `market.potential`

obtained from the above two data objects.

### Source

A. E. Freeny (1977) *A Portable Linear Regression Package with Test Programs*. Bell Laboratories memorandum.

### References

Becker, R. A., Chambers, J. M. and Wilks, A. R. (1988) *The New S Language*. Wadsworth & Brooks/Cole.

### Examples

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)

Dataset imported from https://www.r-project.org.