intArray {robCompositions}

Interaction array

Description

Estimates the interaction compositional table with normalization for further analysis according to Egozcue et al. (2015)

Usage

intArray(x)

Arguments

x

an object of class “intTab”

Details

Estimates the interaction table using its ilr coordinates.

Value

The interaction array

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.

See Also

intTab

Examples

data(precipitation) 
tab1prob <- prop.table(precipitation)
tab1 <- indTab(precipitation)
tabINT <- intTab(tab1prob, tab1)
intArray(tabINT)