fdars (version 0.3.3)

var: Functional Variance

Description

Computes the pointwise variance function of functional data.

Usage

var(fdataobj, ...)

Value

An fdata object containing the variance function (1D or 2D).

Arguments

fdataobj

An object of class 'fdata'.

...

Additional arguments (currently ignored).

Examples

# 1D functional data
fd <- fdata(matrix(rnorm(100), 10, 10))
v <- var(fd)

# 2D functional data
X <- array(rnorm(500), dim = c(5, 10, 10))
fd2d <- fdata(X, argvals = list(1:10, 1:10), fdata2d = TRUE)
v2d <- var(fd2d)