fitSameMeanDifferentVarianceModel {compositions} | R Documentation |
Fit Same Mean Different Variance Model
Description
Fits a model of the same mean, but different variances model to a set of several multivariate normal groups by maximum likelihood.
Usage
fitSameMeanDifferentVarianceModel(x)
Arguments
x |
list of rmult type datasets |
Details
The function tries to fit a normal model with different variances but the same mean between different groups.
Value
mean |
the estimated mean |
vars |
a list of estimated variance-covariance matrices |
N |
a vector containing the sizes of the groups |
Author(s)
K.Gerald v.d. Boogaart http://www.stat.boogaart.de
References
Aitchison, J. (1986) The Statistical Analysis of Compositional
Data Monographs on Statistics and Applied Probability. Chapman &
Hall Ltd., London (UK). 416p.
See Also
Examples
fitSameMeanDifferentVarianceModel
[Package compositions version 2.0-8 Index]