| wheatUSA2004 | R Documentation |
USA's 2004 harvested wheat surface by state
A data frame with 30 observations on the following 2 variables.
a factor with levels AR, CA,
CO, DE, GA, ID, IL, IN, KS,
KY, MD, MI, MO, MS, MT, NC,
NE, NY, OH, OK, OR, Other,
PA, SC, SD, TN, TX, VA, WA,
and WI
wheat surface area measured in 1000s of acres
Ugarte, M. D., Militino, A. F., and Arnholt, A. T. (2008) Probability and Statistics with R. Chapman & Hall/CRC.
with(data = wheatUSA2004, hist(ACRES))
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