Learn R Programming

compositions (version 1.10-1)

fitSameMeanDifferentVarianceModel: 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

Value

  • meanthe estimated mean
  • varsa list of estimated variance-covariance matrices
  • Na vector containing the sizes of the groups

Details

The function tries to fit a normal model with different variances but the same mean between different groups.

References

Aitchison, J. (1986) The Statistical Analysis of Compositional Data Monographs on Statistics and Applied Probability. Chapman & Hall Ltd., London (UK). 416p.

See Also

acompNormalLocation.test

Examples

Run this code
fitSameMeanDifferentVarianceModel

Run the code above in your browser using DataLab