reconst {ade4} | R Documentation |
Generic Function. Nowadays just reconst.pca
reconst (dudi, ...) reconst.pca (dudi, nf = 1, ...)
dudi |
an object used to select a method |
... |
further arguments passed to or from other methods |
nf |
an integer indicating the number of kept axes |
a data frame reconstituting the data
Daniel Chessel chessel@biomserv.univ-lyon1.fr
Anne B Dufour dufour@biomserv.univ-lyon1.fr
Gabriel, K.R. (1978) Least-squares approximation of matrices by additive and multiplicative models. Journal of the Royal Statistical Society, B , 40, 186–196.
data(rhone) dd1 <- dudi.pca(rhone$tab, nf = 2, scann = FALSE) rh1 <- reconst(dd1, 1) rh2 <- reconst(dd1, 2) par(mfrow = c(4,4)) par(mar = c(2.6,2.6,1.1,1.1)) for (i in 1:15) { plot(rhone$date, rhone$tab[,i]) lines(rhone$date, rh1[,i], lty = 2) lines(rhone$date, rh2[,i], lty = 1) scatterutil.sub(names(rhone$tab)[i], 2, "topright") }