Seventeen Spanish communities and their corresponding surface area (in hecatares) dedicated to growing wheat
A data frame with 17 observations on the following 3 variables:
a factor with levels
surface area measured in hectares
surface area measured in acres
Ugarte, M. D., Militino, A. F., and Arnholt, A. T. (2008) Probability and Statistics with R. Chapman & Hall/CRC.
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