out = freeny () ¶Freeny’s Revenue Data
Freeny’s data on quarterly revenue and explanatory variables.
Freeny’s dataset consists of one observed dependent variable (revenue) and four explanatory variables (lagged quartery revenue, price index, income level, and market potential).
dateStart date of the quarter for the observation.
yObserved quarterly revenue. TODO: Determine units (probably millions of USD?)
lag_quarterly_revenueQuarterly revenue (y), lagged 1 quarter.
price_indexA price index
income_level??? TODO: Fill this in
market_potential??? TODO: Fill this in
Freeny, A. E. (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. Monterey: Wadsworth & Brooks/Cole.
t = tblish.dataset.freeny; summary (t) tblish.examples.plot_pairs (removevars (t, "date")) # TODO: Create linear model and print summary # TODO: Linear model plot