R: Propability table

pTab {robCompositions} | R Documentation

## Propability table

### Description

Calculates the propability table using different methods

### Usage

    pTab(x, method = "dirichlet", alpha = 1/length(as.numeric(x)))

### Arguments

`x` | an object of class table
`method` | default is ‘dirichlet’. Other available methods: ‘classical’ that is function `prop.table()` from package base or method “half” that add 1/2 to each cell to avoid zero problems.
`alpha` | constant used for method ‘dirichlet’

### Value

The probablity table

### Author(s)

Matthias Templ

### References

Egozcue, J.J., Pawlowsky-Glahn, V., Templ, M., Hron, K. (2015) Independence in contingency tables using simplicial geometry. Communications in Statistics - Theory and Methods, 44 (18), 3978–3996.

### Examples

    data(precipitation)
    pTab(precipitation)
    pTab(precipitation, method = "dirichlet")

[Package robCompositions version 2.1.0 Index]