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agricolae (version 1.2-0)

design.graeco: Graeco - latin square design

Description

A graeco - latin square is a KxK pattern that permits the study of k treatments simultaneously with three different blocking variables, each at k levels. The function is only for squares of the odd numbers and even numbers (4, 8, 10 and 12)

Usage

design.graeco(trt1, trt2, serie = 2, seed = 0, kinds = "Super-Duper")

Arguments

trt1
Treatments
trt2
Treatments
serie
number plot, 1: 11,12; 2: 101,102; 3: 1001,1002
seed
seed
kinds
method for to randomize

Value

  • parameterslist
  • bookdataframe

Details

kinds <- c("Wichmann-Hill", "Marsaglia-Multicarry", "Super-Duper", "Mersenne-Twister", "Knuth-TAOCP", "user-supplied", "Knuth-TAOCP-2002", "default" )

References

1. Statistics for Experimenters Design, Innovation, and Discovery Second Edition. George E. P. Box. Wiley-Interscience. 2005. 2. Experimental design. Cochran and Cox. Second edition. Wiley Classics Library Edition published 1992.

See Also

design.ab, design.alpha,design.bib, design.crd, design.cyclic, design.dau, design.split, design.lattice, design.lsd, design.rcbd, design.strip

Examples

Run this code
library(agricolae)
T1<-c("a","b","c","d")
T2<-c("v","w","x","y")
outdesign <- design.graeco(T1,T2,serie=1)
graeco<-outdesign$book
plots <-as.numeric(graeco[,1])
trt <- paste(graeco[,4],graeco[,5])
dim(plots)<-c(4,4)
dim(trt) <-c(4,4)
print(t(plots))
print(t(trt))
# 10 x 10
T1 <- letters[1:10]
T2 <- 1:10
outdesign <-  design.graeco(T1,T2,serie=2)
graeco<-outdesign$book
trt <- paste(graeco[,4],graeco[,5])
dim(trt) <-c(10,10)
print(t(trt))

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