Nothing
design.matrix.bnp <-
function(formula, data) {
iform <- interpret.AROCformula(formula, data)
data.cov <- iform$data.cov
X <- NULL
Xterms <- list()
paracoeff <- TRUE # First "coefficients is parametric"
if(iform$npartial == 0) { # Only the intercept
X <- matrix(1, ncol = 1, nrow = nrow(data))
colnames(X) <- "(Intercept)"
res <- list()
res$X <- X
res$terms <- NULL
res$iformula <- iform
} else {
for(i in 1:iform$npartial) {
if(any(iform$II[,i] == -1)) {
if(iform$h[i] == 0) { # Linear and factor
mf <- model.frame(paste0("~", iform$II[2,i]), data.cov, drop.unused.levels = TRUE)
mt <- terms(mf)
MM <- model.matrix(mt, mf)[,-1, drop = FALSE] # Here we delete the intercept
paracoeff <- c(paracoeff, rep(TRUE, ncol(MM)))
X <- cbind(X, MM)
attr(mt, "contrast") <- attr(MM,"contrast")
attr(mt, "xlev") <- .getXlevels(mt, mf)
Xterms[[i]] <- mt
} else {
Bs <- bbase.os(data.cov[,iform$II[2,i]], K = iform$K[[i]], intercept = FALSE)
colnames(Bs) <- paste0(iform$partial[i],".", 1:ncol(Bs))
paracoeff <- c(paracoeff, rep(FALSE, ncol(Bs)))
Xterms[[i]] <- Bs
X <- cbind(X, Bs)
}
} else { # Factor by curve
Bs <- bbase.interaction.factor.by.curve.os(data.cov[,iform$II[2,i]], data.cov[,iform$II[1,i]], K = iform$K[[i]])
colnames(Bs) <- paste0(iform$partial[i],".", 1:ncol(Bs))
paracoeff <- c(paracoeff, rep(FALSE, ncol(Bs)))
Xterms[[i]] <- Bs
X <- cbind(X, Bs)
}
}
# Add the intercept
names.X <- colnames(X)
X <- cbind(1, X)
colnames(X) <- c("(Intercept)", names.X)
res <- list()
res$X <- X
res$terms <- Xterms
res$iformula <- iform
}
res$paracoeff <- paracoeff
class(res) <- "design.matrix.bnp"
res
}
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