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Tucker3PCovR <- function(X , Y3D, J=NULL, K=NULL, r1=2 , r2=2 , r3=2 , Input="Three",
conv=1e-6 , OriginalAlfa = 0.5, AlternativeLossF=1 ,
nRuns=100 , StartSeed=0, ScalingX = 5, ScalingY = 5){
if (Input=="Three"){
J=dim(Y3D)[2]
K=dim(Y3D)[3]
}
else{
if (is.null(J) | is.null(K)) stop("You must provide the dimensions of the ThreeWay array")
}
I=dim(X)[1]
L=dim(X)[2]
if (is.null(rownames(X))) {rownames(X)=paste("i",1:I,sep="")}
if (is.null(colnames(X))) {colnames(X)=paste("X",1:L,sep="")}
ContinuousDataTransform = c("Raw Data", "Substract the global mean", "Double centering",
"Column centering", "Standardize columns", "Row centering",
"Standardize rows", "Divide by the column means and center",
"Normalized residuals from independence", "Divide by the range",
"Within groups standardization", "Ranks")
if (is.numeric(ScalingX))
ScalingX = ContinuousDataTransform[ScalingX]
if (is.numeric(ScalingY))
ScalingY = ContinuousDataTransform[ScalingY]
X = as.matrix(X)
# The initial matrices must be transformed according to the Scaling parameters.
BiplotX = list()
BiplotX$Title = "T3PcovR Biplot"
BiplotX$Type = "T3PcovR Biplot"
BiplotX$Non_Scaled_Data = X
BiplotX$alpha=0
BiplotX$Dimension=r1
BiplotX$Means = apply(X, 2, mean)
BiplotX$Medians = apply(X, 2, median)
BiplotX$Deviations = apply(X, 2, sd)
BiplotX$Minima = apply(X, 2, min)
BiplotX$Maxima = apply(X, 2, max)
BiplotX$P25 = apply(X, 2, quantile)[2, ]
BiplotX$P75 = apply(X, 2, quantile)[4, ]
BiplotX$GMean = mean(X)
BiplotX$Initial_Transformation = ScalingX
Data = InitialTransform(X, transform = ScalingX)
X = Data$X
BiplotX$Scaled_Data = X
class(BiplotX)="ContinuousBiplot"
rm(Data)
Y = as.matrix(Y3D)
if (Input=="Three") Y = matrix(Y , I , J * K) # P slices are concatenated horizontally
if (is.null(rownames(Y))) {rownames(Y)=rownames(X)}
if (is.null(colnames(Y))) {
names=NULL
for (k in 1:K)
names=c(names, paste("V",1:J,"-O",k, sep=""))
colnames(Y)=names
}
BiplotY = list()
BiplotY$Title = "T3PcovR Biplot"
BiplotY$Type = "T3PcovR Biplot"
BiplotY$Non_Scaled_Data = Y
BiplotY$alpha=0
BiplotY$Dimension=min(r1, r2, r3)
BiplotY$Means = apply(Y, 2, mean)
BiplotY$Medians = apply(Y, 2, median)
BiplotY$Deviations = apply(Y, 2, sd)
BiplotY$Minima = apply(Y, 2, min)
BiplotY$Maxima = apply(Y, 2, max)
BiplotY$P25 = apply(Y, 2, quantile)[2, ]
BiplotY$P75 = apply(Y, 2, quantile)[4, ]
BiplotY$GMean = mean(Y)
BiplotY$Initial_Transformation = ScalingY
Data = InitialTransform(Y, transform = ScalingY)
Y = Data$X
BiplotY$Scaled_Data = Y
t3pc=t3pcovr(X=X , Y=Y , I=I , J=J , K =K, L=L , r1=r1 , r2=r2 , r3=r3 ,
conv = conv, OriginalAlfa = 0.5, AlternativeLossF=1 ,
nRuns=100 , StartSeed=0)
# Construcción del biplot para X (separado)
BiplotX$nrows = I
BiplotX$ncols = L
BiplotX$dim = r1
X=BiplotX$Scaled_Data
sct=sum(X^2)
scf = apply((X^2), 1, sum)
scc = apply((X^2), 2, sum)
a=t3pc$A
rownames(a)=rownames(X)
b=t3pc$B2
sce=rep(0,r1)
cf=matrix(0,I,r1)
cc=matrix(0,L,r1)
for (i in 1:r1){
Xesp=matrix(a[,i])%*%t(matrix(b[,i]))
scfe = apply((Xesp^2), 1, sum)
scce = apply((Xesp^2), 2, sum)
cf[,i]=scfe/scf
cc[,i]=scce/scc
sce[i]=sum(Xesp^2)
}
cf=100*cf
cc=100*cc
BiplotX$EigenValues = sce
BiplotX$Inertia = 100 * sce/sct
BiplotX$CumInertia = cumsum(BiplotX$Inertia)
BiplotX$EV = t3pc$B2
sca = sum(a^2)
scb = sum(b^2)
sca = sca/I
scb = scb/L
scf = sqrt(sqrt(scb/sca))
a = a * scf
b = b/scf
BiplotX$RowCoordinates=a
BiplotX$ColCoordinates=b
rownames(cf) = rownames(X)
colnames(cf) = paste("Dim", 1:r1)
BiplotX$RowContributions=cf
rownames(cc) = colnames(X)
colnames(cc) = paste("Dim", 1:r1)
BiplotX$ColContributions=cc
BiplotX$Scale_Factor = scf
BiplotX$ClusterType="us"
BiplotX$Clusters = as.factor(matrix(1,nrow(BiplotX$RowContributions), 1))
BiplotX$ClusterColors="blue"
BiplotX$ClusterNames="Cluster 1"
class(BiplotX)="ContinuousBiplot"
# Construcción del biplot para Y (separado)
BiplotY$nrows = I
BiplotY$ncols = J*K
BiplotY$dim = r1
Y=BiplotY$Scaled_Data
sct=sum(Y^2)
scf = apply((Y^2), 1, sum)
scc = apply((Y^2), 2, sum)
a=t3pc$A
rownames(a)=rownames(X)
b=t(t3pc$H %*% kronecker( t(t3pc$C) , t(t3pc$B1) ))
Esp=a%*%t(b)
sce=rep(0,r1)
cf=matrix(0,I,r1)
cc=matrix(0,J*K,r1)
for (i in 1:r1){
Yesp=matrix(a[,i])%*%t(matrix(b[,i]))
scfe = apply((Yesp^2), 1, sum)
scce = apply((Yesp^2), 2, sum)
cf[,i]=scfe/scf
cc[,i]=scce/scc
sce[i]=sum(Yesp^2)
}
cf=100*cf
cc=100*cc
BiplotY$EigenValues = sce
BiplotY$Inertia = 100 * sce/sct
BiplotY$CumInertia = cumsum(BiplotY$Inertia)
sca = sum(a^2)
scb = sum(b^2)
sca = sca/I
scb = scb/(J*K)
scf = sqrt(sqrt(scb/sca))
a = a * scf
b = b/scf
rownames(b) = colnames(Y)
colnames(a) = paste("Dim", 1:r1)
BiplotY$RowCoordinates=a
BiplotY$ColCoordinates=b
rownames(cf) = rownames(Y)
colnames(cf) = paste("Dim", 1:r1)
BiplotY$RowContributions=cf
rownames(cc) = colnames(Y)
colnames(cc) = paste("Dim", 1:r1)
BiplotY$ColContributions=cc
BiplotY$Scale_Factor = scf
BiplotY$ClusterType="us"
BiplotY$Clusters = as.factor(matrix(1,nrow(BiplotY$RowContributions), 1))
BiplotY$ClusterColors="blue"
BiplotY$ClusterNames="Cluster 1"
class(BiplotY)="ContinuousBiplot"
t3pc$BiplotX=BiplotX
t3pc$BiplotY=BiplotY
t3pc$t3pcovr=t3pc
return(t3pc)
}
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