https://github.com/cran/ftsa
Tip revision: 9120e042a4e1ace638f4af6dae1ed85da1e97d81 authored by Han Lin Shang on 24 October 2012, 06:39:13 UTC
version 3.6
version 3.6
Tip revision: 9120e04
fplsr.R
fplsr = function (data, order = 6, type = c("simpls", "nipals"), unit.weights = TRUE,
weight = FALSE, beta = 0.1, interval = FALSE, method = c("delta",
"boota"), alpha = 0.05, B = 100, adjust = FALSE, backh = 10)
{
type = match.arg(type)
rawdata = t(data$y)
n = dim(rawdata)[1]
Xtrain = rawdata[1:(n - 1), ]
Ytrain = rawdata[2:n, ]
Xtest = as.numeric(rawdata[n, ])
if (interval == FALSE) {
if (type == "simpls") {
if (unit.weights == TRUE) {
output = unitsimpls(Xtrain, Ytrain, Xtest, order,
weight = weight, beta = beta)
fitted = t(output$T %*% t(output$Q)) + colMeans(Ytrain)
residuals = t(Ytrain) - fitted
out = list(x1 = as.numeric(rownames(Xtrain)),
y1 = as.numeric(colnames(Xtrain)),
ypred = fts(1:dim(Xtrain)[2], t(Xtrain), xname = data$xname, yname = data$yname),
y = fts(1:dim(Ytrain)[2], t(Ytrain), xname = data$xname, yname = data$yname),
B = output$B, Ypred = fts(1:dim(Ytrain)[2],
as.matrix(output$Ypred), xname = data$xname,
yname = data$yname), P = output$P, Q = output$Q,
T = output$T, R = output$R, fitted = fts(1:dim(Xtrain)[2],
fitted, xname = data$xname, yname = "Fitted values"),
residuals = fts(1:dim(Xtrain)[2], residuals,
xname = data$xname, yname = "Residual"),
meanX = fts(1:dim(Xtrain)[2], as.matrix(colMeans(Xtrain)),
xname = data$xname, yname = data$yname),
meanY = fts(1:dim(Ytrain)[2], as.matrix(colMeans(Ytrain)),
xname = data$xname, yname = data$yname),
call = match.call())
return(structure(out, class = "fm"))
}
else {
output = simpls(Xtrain, Ytrain, Xtest, order,
weight = weight, beta = beta)
fitted = t(output$T %*% t(output$Q)) + colMeans(Ytrain)
residuals = t(Ytrain) - fitted
out = list(x1 = as.numeric(rownames(Xtrain)),
y1 = as.numeric(colnames(Xtrain)),
ypred = fts(1:dim(Xtrain)[2], t(Xtrain), xname = data$xname, yname = data$yname),
y = fts(1:dim(Ytrain)[2], t(Ytrain), xname = data$xname, yname = data$yname),
B = output$B, Ypred = fts(1:dim(Ytrain)[2],
as.matrix(output$Ypred), xname = data$xname,
yname = data$yname), P = output$P, Q = output$Q,
T = output$T, R = output$R, fitted = fts(1:dim(Xtrain)[2],
fitted, xname = data$xname, yname = "Fitted values"),
residuals = fts(1:dim(Xtrain)[2], residuals,
xname = data$xname, yname = "Residual"),
meanX = fts(1:dim(Xtrain)[2], as.matrix(colMeans(Xtrain)),
xname = data$xname, yname = data$yname),
meanY = fts(1:dim(Ytrain)[2], as.matrix(colMeans(Ytrain)),
xname = data$xname, yname = data$yname),
call = match.call())
return(structure(out, class = "fm"))
}
}
else {
output = nipals(Xtrain, Ytrain, Xtest, order, weight = weight,
beta = beta)
out = list(x1 = as.numeric(rownames(Xtrain)), y1 = as.numeric(colnames(Xtrain)),
ypred = fts(1:dim(Xtrain)[2], t(Xtrain), xname = data$xname, yname = data$yname),
y = fts(1:dim(Ytrain)[2], t(Ytrain), xname = data$xname,
yname = data$yname), B = output$B, Ypred = fts(1:dim(Ytrain)[2],
matrix(output$Ypred, dim(Ytrain)[2], ), xname = data$xname,
yname = data$yname), P = output$P, Q = output$Q,
T = output$T, R = output$R, meanX = fts(1:dim(Xtrain)[2],
as.matrix(colMeans(Xtrain)), xname = data$xname,
yname = data$yname), meanY = fts(1:dim(Ytrain)[2],
as.matrix(colMeans(Ytrain)), xname = data$xname,
yname = data$yname), Yscores = output$Yscores,
projection = output$projection, fitted = fts(1:dim(Xtrain)[2],
t(output$fitted.values[, , order]), xname = data$xname,
yname = "Fitted values"), residuals = fts(1:dim(Xtrain)[2],
t(output$residuals[, , order]), xname = data$xname,
yname = "Residual"), Xvar = output$Xvar, Xtotvar = output$Xtotvar,
call = match.call())
return(structure(out, class = "fm"))
}
}
else {
fplsrPI(t(Xtrain), t(Ytrain), Xtest, order, method = method,
alpha = alpha, B = B, weight = weight, beta = beta,
adjust = adjust, backh = backh)
}
}