cor.fts | R Documentation |
This function finds the correlation between univariate or multivariate functional time series (fts
) objects.
cor.fts(Y1, Y2)
Y1 |
An object of class |
Y2 |
An object of class |
A scalar that is the correlation between fts
objects.
fts
## Not run: require(Rfssa) load_github_data("https://github.com/haghbinh/Rfssa/blob/master/data/Jambi.RData") ## Raw image data NDVI <- Jambi$NDVI EVI <- Jambi$EVI ## Kernel density estimation of pixel intensity D0_NDVI <- matrix(NA, nrow = 512, ncol = 448) D0_EVI <- matrix(NA, nrow = 512, ncol = 448) for (i in 1:448) { D0_NDVI[, i] <- density(NDVI[, , i], from = 0, to = 1)$y D0_EVI[, i] <- density(EVI[, , i], from = 0, to = 1)$y } d <- 11 u <- seq(0, 1, length.out = 512) Y_1 <- Rfssa::fts(list(D0_NDVI), list(list(d, "bspline")), list(u)) Y_2 <- Rfssa::fts(list(D0_EVI), list(list(d, "bspline")), list(u)) out <- cor.fts(Y_1, Y_2) print(out) ## End(Not run)
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