Description Usage Format Details Source References Examples
Obs: 48 annual observations for 1950-1997
1 | data("toodyay")
|
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)
the unit of measurement for rainfall is centimetres.
http://principlesofeconometrics.com/poe4/poe4.htm
This data was collected by L.Newton for her PhD at the University of New England.
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