sweetpotato | R Documentation |
Sweetpotato Production, Yield per Acre and Acreage harvested in the United States, between 1868 and 1937. This data was already studied in Moore and Wallis (1941).
data(sweetpotato)
A list with 70 observations on 4 vectors: year
, production
, yield
and acreage
.
Agricultural Statistics 1939, p. 243.
URL: http://archive.org/stream/agriculturalsat00unit#page/243/mode/1up
Moore, G.H. and Wallis, W.A. (1941). A Significance Test for Time Series and Other Ordered Observations. Technical paper. NBER. URL: http://papers.nber.org/books/wall41-1
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