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Three evaluations over time and the potato yield when applying several treatments.
data(disease)
A data frame with 21 observations on the following 7 variables.
plots
a numeric vector
rep
trt
a factor with levels T0 T1 T2 T3 T4 T5 T6
T0
T1
T2
T3
T4
T5
T6
E2
E5
E7
yield
International Potato Center. CIP - Lima Peru.
library(agricolae) data(disease) str(disease)
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