nexus (version 0.6.0)

mean: Compositional Mean

Description

Compositional Mean

Usage

# S4 method for CompositionMatrix
mean(x, ..., ignore_na = FALSE, ignore_zero = TRUE)

Value

A numeric vector.

Arguments

x

A CompositionMatrix object.

...

Currently not used.

ignore_na

A logical scalar: should missing values be stripped before the computation proceeds?

ignore_zero

A logical scalar: should zeros be stripped before the computation proceeds?

Author

N. Frerebeau

Details

Closed vector of the columns geometric means.

References

Aitchison, J. (1986). The Statistical Analysis of Compositional Data. London: Chapman and Hall, p. 64-91.

See Also

Other statistics: aggregate(), condense(), covariance(), dist, mahalanobis(), margin(), pip(), quantile(), scale(), variance(), variance_total(), variation()

Examples

## Data from Aitchison 1986
data("hongite")

## Coerce to compositional data
coda <- as_composition(hongite)

## Mean
mean(coda)

## Quantile
quantile(coda)