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"foucart" <- function (X, scannf = TRUE, nf = 2) {
if (!is.list(X))
stop("X is not a list")
nblo <- length(X)
if (!all(unlist(lapply(X, is.data.frame))))
stop("a component of X is not a data.frame")
# vérification que chaque tableau de la liste a les
# mêmes dimensions
blocks <- unlist(lapply(X, ncol))
if (length(unique(blocks)) != 1)
stop("non equal col numbers among array")
blocks <- unlist(lapply(X, nrow))
if (length(unique(blocks)) != 1)
stop("non equal row numbers among array")
r.n <- row.names(X[[1]])
for (i in 1:nblo) {
r.new <- row.names(X[[i]])
if (any(r.new != r.n))
stop("non equal row.names among array")
}
# vérification que chaque tableau de la liste a les
# mêmes noms
unique.col.names <- names(X[[1]])
for (i in 1:nblo) {
c.new <- names(X[[i]])
if (any(c.new != unique.col.names))
stop
("non equal col.names among array")
}
# vérification que chaque tableau de la liste supporte
# une analyse des correspondances
for (i in 1:nblo) {
if (any(X[[i]] < 0))
stop(paste("negative entries in data.frame", i))
if (sum(X[[i]]) <= 0)
stop(paste("Non convenient sum in data.frame", i))
}
X <- ktab.list.df(X)
auxinames <- ktab.util.names(X)
blocks <- X$blo
nblo <- length(blocks)
tnames <- tab.names(X)
tabm <- X[[1]]/sum(X[[1]])
for (k in 2:nblo) tabm <- tabm + X[[k]]/sum(X[[k]])
tabm <- tabm/nblo
row.names(tabm) <- row.names(X)
names(tabm) <- unique.col.names
fouc <- dudi.coa(tabm, scannf = scannf, nf = nf)
fouc$call <- match.call()
class(fouc) <- c("foucart", "coa", "dudi")
cooli <- suprow(fouc, X[[1]])$lisup
for (k in 2:nblo) {
cooli <- rbind(cooli, suprow(fouc, X[[k]])$lisup)
}
row.names(cooli) <- auxinames$row
fouc$Tli <- cooli
cooco <- supcol(fouc, X[[1]])$cosup
for (k in 2:nblo) {
cooco <- rbind(cooco, supcol(fouc, X[[k]])$cosup)
}
row.names(cooco) <- auxinames$col
fouc$Tco <- cooco
fouc$TL <- X$TL
fouc$TC <- X$TC
fouc$blocks <- blocks
fouc$tab.names <- tnames
fouc$call <- match.call()
return(fouc)
}
"kplot.foucart" <- function (object, xax = 1, yax = 2, mfrow = NULL, which.tab = 1:length(object$blo),
clab.r = 1, clab.c = 1.25, csub = 2, possub = "bottomright", ...)
{
if (!inherits(object, "foucart"))
stop("Object of type 'foucart' expected")
opar <- par(ask = par("ask"), mfrow = par("mfrow"), mar = par("mar"))
on.exit(par(opar))
if (is.null(mfrow))
mfrow <- n2mfrow(length(which.tab))
par(mfrow = mfrow)
nblo <- length(object$blo)
if (length(which.tab) > prod(mfrow))
par(ask = TRUE)
rank.fac <- factor(rep(1:nblo, object$rank))
nf <- ncol(object$li)
coolig <- object$Tli[, c(xax, yax)]
coocol <- object$Tco[, c(xax, yax)]
names(coocol) <- names(coolig)
cootot <- rbind.data.frame(coocol, coolig)
if (clab.r > 0)
cpoi <- 0
else cpoi <- 2
for (ianal in which.tab) {
coolig <- object$Tli[object$TL[, 1] == levels(object$TL[,1])[ianal], c(xax, yax)]
coocol <- object$Tco[object$TC[, 1] == levels(object$TC[,1])[ianal], c(xax, yax)]
s.label(cootot, clab = 0, cpoi = 0, sub = object$tab.names[ianal],
csub = csub, possub = possub)
s.label(coolig, clab = clab.r, cpoi = cpoi, add.p = TRUE)
s.label(coocol, clab = clab.c, add.p = TRUE)
}
}
"plot.foucart" <- function (x, xax = 1, yax = 2, clab = 1, csub = 2, possub = "bottomright", ...) {
if (!inherits(x, "foucart"))
stop("Object of type 'foucart' expected")
opar <- par(ask = par("ask"), mfrow = par("mfrow"), mar = par("mar"))
on.exit(par(opar))
par(mfrow = c(2, 2))
cootot <- x$li[, c(xax, yax)]
auxi <- x$li[, c(xax, yax)]
names(auxi) <- names(cootot)
cootot <- rbind.data.frame(cootot, auxi)
auxi <- x$Tli[, c(xax, yax)]
names(auxi) <- names(cootot)
cootot <- rbind.data.frame(cootot, auxi)
auxi <- x$Tco[, c(xax, yax)]
names(auxi) <- names(cootot)
cootot <- rbind.data.frame(cootot, auxi)
s.label(cootot, clabel = 0, cpoint = 0, sub = "Rows (Base)",
csub = csub, possub = possub)
s.label(x$li, xax, yax, clabel = clab, add.plot = TRUE)
s.label(cootot, clabel = 0, cpoint = 0, sub = "Columns (Base)",
csub = csub, possub = possub)
s.label(x$co, xax, yax, clabel = clab, add.plot = TRUE)
s.label(cootot, clabel = 0, cpoint = 0, sub = "Rows", csub = csub,
possub = possub)
s.class(x$Tli, x$TL[, 2], xax = xax, yax = yax,
axesell = FALSE, clabel = clab, add.plot = TRUE)
s.label(cootot, clabel = 0, cpoint = 0, sub = "Columns",
csub = csub, possub = possub)
s.class(x$Tco, x$TC[, 2], xax = xax, yax = yax,
axesell = FALSE, clabel = clab, add.plot = TRUE)
}
"print.foucart" <- function (x, ...) {
cat("Foucart's COA\n")
cat("class: ")
cat(class(x))
cat("\n$call: ")
print(x$call)
cat("table number:", length(x$blo), "\n")
cat("\n$nf:", x$nf, "axis-components saved")
cat("\n$rank: ")
cat(x$rank)
cat("\neigen values: ")
l0 <- length(x$eig)
cat(signif(x$eig, 4)[1:(min(5, l0))])
if (l0 > 5)
cat(" ...\n")
else cat("\n")
cat("blo vector ", length(x$blo), " blocks\n")
sumry <- array("", c(3, 4), list(rep("", 3), c("vector",
"length", "mode", "content")))
sumry[1, ] <- c("$cw", length(x$cw), mode(x$cw), "column weights")
sumry[2, ] <- c("$lw", length(x$lw), mode(x$lw), "row weights")
sumry[3, ] <- c("$eig", length(x$eig), mode(x$eig), "eigen values")
print(sumry, quote = FALSE)
cat("\n")
sumry <- array("", c(5, 4), list(rep("", 5), c("data.frame",
"nrow", "ncol", "content")))
sumry[1, ] <- c("$tab", nrow(x$tab), ncol(x$tab), "modified array")
sumry[2, ] <- c("$li", nrow(x$li), ncol(x$li), "row coordinates")
sumry[3, ] <- c("$l1", nrow(x$l1), ncol(x$l1), "row normed scores")
sumry[4, ] <- c("$co", nrow(x$co), ncol(x$co), "column coordinates")
sumry[5, ] <- c("$c1", nrow(x$c1), ncol(x$c1), "column normed scores")
print(sumry, quote = FALSE)
cat("\n **** Intrastructure ****\n\n")
sumry <- array("", c(4, 4), list(rep("", 4), c("data.frame",
"nrow", "ncol", "content")))
sumry[1, ] <- c("$Tli", nrow(x$Tli), ncol(x$Tli), "row coordinates (each table)")
sumry[2, ] <- c("$Tco", nrow(x$Tco), ncol(x$Tco), "col coordinates (each table)")
sumry[3, ] <- c("$TL", nrow(x$TL), ncol(x$TL), "factors for Tli")
sumry[4, ] <- c("$TC", nrow(x$TC), ncol(x$TC), "factors for Tco")
print(sumry, quote = FALSE)
cat("\n")
}
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