Description Usage Arguments Value Author(s) Examples

Takes in a set of predictor variables and a set of response variables and produces a covariance biplot.

1 | ```
cov.biplot(X, Y, ...)
``` |

`X` |
A (NxP) predictor matrix |

`Y` |
A (NxM) response matrix |

`...` |
Other arguments. Currently ignored |

The covariance biplot of X and Y

Opeoluwa F. Oyedele and Sugnet Gardner-Lubbe

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | ```
if(require(pls))
data(oliveoil, package="pls")
X = as.matrix(oliveoil$chemical, ncol=5)
dimnames(X) = list(paste(c("G1","G2","G3","G4","G5","I1","I2","I3","I4",
"I5","S1","S2","S3","S4","S5","S6")),
paste(c("Acidity","Peroxide","K232","K270","DK")))
Y = as.matrix(oliveoil$sensory, ncol=6)
dimnames(Y) = list(paste(c("G1","G2","G3","G4","G5","I1","I2","I3","I4",
"I5","S1","S2","S3","S4","S5","S6")),
paste(c("Yellow","Green","Brown","Glossy","Transp","Syrup")))
cov.biplot(X, Y)
#cocktail data
if(require(SensoMineR))
data(cocktail, package="SensoMineR")
X3 = as.matrix(compo.cocktail, ncol=4)
Y3 = as.matrix(senso.cocktail, ncol=13)
cov.biplot(X3,Y3)
``` |

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