cor.acomp {compositions}R Documentation

Correlations of amounts and compositions

Description

Computes the correlation matrix in the various approaches of compositional and amount data analysis.

Usage

          cor(x,y=NULL,...)
          ## Default S3 method:
          cor(x, y=NULL, use="all.obs", method=c("pearson", 
    "kendall", "spearman"),...)
          ## S3 method for class 'acomp':
          cor(x,y=NULL,...)
          ## S3 method for class 'rcomp':
          cor(x,y=NULL,...)
          ## S3 method for class 'aplus':
          cor(x,y=NULL,...)
          ## S3 method for class 'rplus':
          cor(x,y=NULL,...)
          ## S3 method for class 'rmult':
          cor(x,y=NULL,...)
          

Arguments

x a dataset, eventually of amounts or compositions
y a second dataset, eventually of amounts or compositions
use see cor
method see cor
... further arguments to cor e.g. use

Details

The correlation matrix does not make much sense for compositions.

In R versions older than v2.0.0, cor was defined in package ``base'' instead of in ``stats''. This might produce some misfunction.

Value

The correlation matrix.

Author(s)

K.Gerald v.d. Boogaart http://www.stat.boogaart.de

See Also

var.acomp

Examples

data(SimulatedAmounts)
mean.col(sa.lognormals)
cor(acomp(sa.lognormals5[,1:3]),acomp(sa.lognormals5[,4:5]))
cor(rcomp(sa.lognormals5[,1:3]),rcomp(sa.lognormals5[,4:5]))
cor(aplus(sa.lognormals5[,1:3]),aplus(sa.lognormals5[,4:5]))
cor(rplus(sa.lognormals5[,1:3]),rplus(sa.lognormals5[,4:5]))
cor(acomp(sa.lognormals5[,1:3]),aplus(sa.lognormals5[,4:5]))


[Package compositions version 0.9-11 Index]