fdars (version 0.3.3)

sd: Functional Standard Deviation

Description

Computes the pointwise standard deviation function of functional data.

Usage

sd(fdataobj, ...)

Value

An fdata object containing the standard deviation 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))
s <- sd(fd)

# 2D functional data
X <- array(rnorm(500), dim = c(5, 10, 10))
fd2d <- fdata(X, argvals = list(1:10, 1:10), fdata2d = TRUE)
s2d <- sd(fd2d)