toodyay: Toodyay Data

Description Usage Format Details Source References Examples

Description

Obs: 48 annual observations for 1950-1997

Usage

1
data("toodyay")

Format

A data frame with 48 observations on the following 5 variables.

y

wheat yield in tonnes per hectare for the toodyay shire of western australia

t

trend term to allow for technological change

rg

rainfall at germination (may-june)

rd

rainfall at development state (july-august)

rf

rainfall at flowering (september-october)

Details

the unit of measurement for rainfall is centimetres.

Source

http://principlesofeconometrics.com/poe4/poe4.htm

References

This data was collected by L.Newton for her PhD at the University of New England.

Examples

1
2
data(toodyay)
## maybe str(toodyay) ; plot(toodyay) ...

ccolonescu/PoEdata documentation built on May 13, 2019, 2:17 p.m.