vechnames: Vector Names for Half-Vectorization

In jeksterslab/linearAlgebra: Linear Algebra with R

Description

Returns a character vector of length 0.5 * k * (k + 1) from an input vector x of length k.

Usage

vechnames(x, sep = ".")

Arguments

x	Character vector of names of length k.
sep	Character string. Separator for variable names.

Value

A character vector.

Author(s)

Ivan Jacob Agaloos Pesigan

See Also

Other Vectorization Functions: diag_of_vech(), vec_mean(), vechsnames(), vechs(), vech(), vec()

Examples

x <- diag(1)
colnames(x) <- rownames(x) <- "x1"
vechnames(colnames(x))

x <- diag(2)
colnames(x) <- rownames(x) <- c("x1", "x2")
vechnames(colnames(x))

x <- diag(3)
colnames(x) <- rownames(x) <- c("x1", "x2", "x3")
vechnames(colnames(x))

jeksterslab/linearAlgebra documentation built on Dec. 20, 2021, 10:10 p.m.