as_amounts: Coerce to Amounts

In nexus: Sourcing Archaeological Materials by Chemical Composition

Coerce to Amounts

Description

Coerce to Amounts

Usage

as_amounts(from, ...)

## S4 method for signature 'CompositionMatrix'
as_amounts(from)

Arguments

from	A CompositionMatrix object.
...	Currently not used.

Value

A numeric matrix.

Author(s)

N. Frerebeau

See Also

Other compositional data tools: as_composition()

Examples

## Create a count matrix
A1 <- matrix(data = sample(1:100, 100, TRUE), nrow = 20)

## Coerce to compositions
B <- as_composition(A1)

## Row sums are internally stored before coercing to relative frequencies
totals(B)

## This allows to restore the source data
A2 <- as_amounts(B)

## Coerce to a data.frame
X <- data.frame(B)
head(X)

nexus documentation built on Sept. 11, 2024, 6:43 p.m.