twodvarshape: twodvarshape Calculates the shape variation associated to a...
In Arothron/Arothron: Geometric Morphometrics Analyses

Description Usage Arguments Value Author(s) Examples

twodvarshape Calculates the shape variation associated to a value of PC scores associated to a specific 2D view

1	twodvarshape(twodviews_ob, scores, PC, view)

`twodviews_ob`	object from twodviews()
`scores`	numeric: the values of the PC scores for which the visualization is called
`PC`	PC chosen
`view`	numeric: 2D set to be used for shape variation visualization

mat matrix of 2D coordinates associated to the called shape variation

Antonio Profico, Alessio Veneziano, Marina Melchionna, Paolo Piras, Pasquale Raia

#load the 2D primate dataset
data("Lset2D_list")
#combine the 2D datasets and PCA
combin2D<-twodviews(Lset2D_list,scale=TRUE,vector=c(1:5))
#calculate the shape variation associated to the negative extreme value of PC1
min_PC1<-twodvarshape(combin2D,min(combin2D$PCscores[,1]),1,5)
plot(min_PC1,asp=1)
#calculate the shape variation associated to the positive extreme value of PC1
max_PC1<-twodvarshape(combin2D,max(combin2D$PCscores[,1]),1,5)
plot(max_PC1,asp=1)