These data frames have yield averages by blocks (parcels). The ant111b data set is a subset of this.
A data frame with 287 observations on 8 variables.
a numeric vector
a factor with 8 levels.
a factor with levels I II III IV
a factor consisting of 12 levels
a numeric vector; note that -9999 is used as a missing value code.
a numeric vector; the average yield
Source
Andrews DF; Herzberg AM, 1985. Data. A Collection of Problems from Many Fields for the Student and Research Worker. Springer-Verlag. (pp. 339-353)
Use the following R code to directly access this dataset in R.
