AMMI.contour | R Documentation |

Draws a polygon or a circumference around the center of the Biplot with a proportional radio at the longest distance of the genotype.

```
AMMI.contour(model, distance, shape, ...)
```

`model` |
Object |

`distance` |
Circumference radius >0 and <=1 |

`shape` |
Numerical, relating to the shape of the polygon outline. |

`...` |
Parameters corresponding to the R lines function |

First, it is necessary to execute the AMMI function. It is only valid for the BIPLOT function but not for the TRIPLOT one.

Genotypes within and outside the area.

`distance` |
Distance from genotype to origin (0,0) |

Complement graphics AMMI

Felipe de Mendiburu

`AMMI`

```
library(agricolae)
# see AMMI.
data(sinRepAmmi)
Environment <- sinRepAmmi$ENV
Genotype <- sinRepAmmi$GEN
Yield <- sinRepAmmi$YLD
REP <- 3
MSerror <- 93.24224
model<-AMMI(Environment, Genotype, REP, Yield, MSerror)
plot(model)
AMMI.contour(model,distance=0.7,shape=8,col="red",lwd=2,lty=5)
```

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