Compositional (version 4.4)

Proportionality correlation coefficient matrix: Proportionality correlation coefficient matrix

Description

Proportionality correlation coefficient matrix.

Usage

pcc(x)

Arguments

x

A numerical matrix with the compositional data. Zeros are not allowed as the logarithm is applied.

Value

A matrix with the alr transformed data (if alr is used) or with the compositional data (if the alrinv is used).

Details

The function returns the proportionality correlation coefficient matrix. See Lovell et al. (2015) for more information.

References

Lovell D., Pawlowsky-Glahn V., Egozcue J. J., Marguerat S. and Bahler, J. (2015). Proportionality: a valid alternative to correlation for relative data. PLoS Computational Biology, 11(3), e1004075.

See Also

acor, \ link{alr}

Examples

# NOT RUN {
x <- Compositional::rdiri(100, runif(4) )
a <- Compositional::pcc(x)
# }