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8.2.45.25 octave.dataset.freeny

Static Method: out = freeny ()

Freeny’s Revenue Data

Description

Freeny’s data on quarterly revenue and explanatory variables.

Format

Freeny’s dataset consists of one observed dependent variable (revenue) and four explanatory variables (lagged quartery revenue, price index, income level, and market potential).

date

Start date of the quarter for the observation.

y

Observed quarterly revenue. TODO: Determine units (probably millions of USD?)

lag_quarterly_revenue

Quarterly revenue (y), lagged 1 quarter.

price_index

A price index

income_level

??? TODO: Fill this in

market_potential

??? TODO: Fill this in

Source

Freeny, A. E. (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. Monterey: Wadsworth & Brooks/Cole.

Examples

t = octave.dataset.freeny;

summary(t)

octave.examples.plot_pairs (removevars (t, "date"))

# TODO: Create linear model and print summary

# TODO: Linear model plot