These data were colllected in a study of the relationship between the yield of White Imperial Spanish onion plants and the density of planting.
The variables are:
||density of planting (plants/m^2)|
||a code to indicate Purnong Landing (1) or Virginia (2)|
The data were collected by I.S.Rogers (South Australian Dept. of Agriculture & Fisheries). They are listed in Ratkowsky (1983), Nonlinear Regression Modeling. Dekker, New York.
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