vcovAcomp | R Documentation |
The variance covariance tensor structured according of linear models with ilr(acomp(...)) responses.
vcovAcomp(object,...)
object |
a statistical model |
... |
further optional parameters for |
The prediction error in compositional linear regression models is a complicated object. The function should help to organize it.
An array with 4 dimensions. The first 2 are the index dimensions of the ilr transform. The later 2 are the index of the parameter.
K.Gerald v.d. Boogaart http://www.stat.boogaart.de
vcov
data(SimulatedAmounts)
model <- lm(ilr(sa.groups)~sa.groups.area)
vcovAcomp(model)[,,1,1]
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.