A data set which attempted to assess the quality of various Bordeaux vintages based upon certain variables
Usage
data(wine.df)
Arguments
Format
A data frame with 27 observations on the following 5 variables:
year
year (1952-1980)
price
Price (in 1980 US dollars, converted to an index with 1961=100)
temp
average temp during the growing season (degrees Celcius)
h.rain
total rainfall during harvest period (mm)
w.rain
total rainfall over preceding winter (mm)
Source
The data are available at http://www.liquidasset.com/winedata.html
References
An article by Orly Ashenfelder is at http://www.liquidasset.com/orley.htm
See also Orley Ashenfelter, David Ashmore, and Robert Lalonde,
Bordeaux wine vintage quality and the weather. Chance Magazine, Fall 1995, pp.7-14