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).
Usage
data(sweetpotato)
Format
A list with 70 observations on 4 vectors: year, production, yield and acreage.
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