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Coerce to Amounts

Source: R/AllGenerics.R, R/coerce.R
as_amounts.Rd

Coerce to Amounts

Usage

as_amounts(from, ...)

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

Arguments

from

A CompositionMatrix object.

...

Currently not used.

Value

A numeric matrix.

See also

Other compositional data tools: as_composition()

Author

N. Frerebeau

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)
#>  [1] 245 264 258 162 253 285 223 369 255 279 190 246 344 381  84 231 240 356 195
#> [20] 145

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

## Coerce to a data.frame
X <- as.data.frame(B)
head(X)
#>            V1        V2         V3         V4        V5
#> S1 0.13469388 0.1673469 0.15918367 0.33877551 0.2000000
#> S2 0.13636364 0.3106061 0.04166667 0.21212121 0.2992424
#> S3 0.02713178 0.3643411 0.16279070 0.20155039 0.2441860
#> S4 0.14197531 0.1172840 0.24691358 0.35185185 0.1419753
#> S5 0.34782609 0.3003953 0.05928854 0.06719368 0.2252964
#> S6 0.11929825 0.1789474 0.28771930 0.30526316 0.1087719