cor.sign {StatDA} | R Documentation

## Correlation Matrix

### Description

Computes correlation matrix of x with method "pearson", "kendall" or "spearman". This function also prints the matrix with the significance levels.

### Usage

    cor.sign(x, method = c("pearson", "kendall", "spearman"))

### Arguments

`x` | the data
`method` | the method used

### Details

This function estimate the association between paired samples an compute a test of the value being zero. All measures of association are in the range [-1,1] with 0 indicating no association.

### Value

`cor` | Correlation matrix
`p.value` | p-value of the test statistic

### Author(s)

Peter Filzmoser <P.Filzmoser@tuwien.ac.at>

### References

C. Reimann, P. Filzmoser, R.G. Garrett, and R. Dutter: Statistical Data Analysis Explained. Applied Environmental Statistics with R. John Wiley and Sons Inc. To appear.

### See Also

`cor.test`

### Examples

    data(chorizon)
    x=chorizon[,c("Ca","Cu","Mg","Na","P","Sr","Zn")]

    cor.sign(log10(x),method="spearman")

[Package StatDA version 1.0 Index]