Well, one place to start is to read the following vignette
http://finzi.psych.upenn.edu/R/library/compositions/doc/UsingCompositions.pdf
This was found using the search function
RSiteSearch("compositional data")
in R.
You may also want to study
@Article{aitchison82,
author = "J. Aitchison",
title = "The statistical analysis of compositional data",
journal = jrssb,
year = 1982,
volume = 44,
number = 2,
pages = "139-177",
annote = "With discussion." }
@Book{aitchison86, author = "J. Aitchison",
title = "The Statistical Annalysis of Compositional Data",
publisher = "Chapman and Hall",
year = 1986,
series = "Monographs on Statistics and Applied Probability",
address = "London",
annote = "A greatly expanded version of the original 1982 paper, with lots
of examples of hypothesis testing" }
Med venlig hilsen
Frede Aakmann T?gersen
> -----Oprindelig meddelelse-----
> Fra: r-help-bounces at stat.math.ethz.ch
> [mailto:r-help-bounces at stat.math.ethz.ch] P? vegne af S.Q. WEN
> Sendt: 17. oktober 2006 06:50
> Til: R-help at stat.math.ethz.ch
> Emne: [R] About compositional data analysis
>
> The compositional data xi=(x_i1,x_i2,...,x_in), for each
> fixed i , xij>0,
> and sum(xij)=1;
>
>
> I want to compare the mean( u_i) of several groups i.e.
> H0: u_1=u_2=...=u_N
> or
> H0: u_11=u_21=...=u_N1
>
> Are there any ANOVA tpye tools to do this work in R?
>
> Thanks,
> WEN S Q
>
> [[alternative HTML version deleted]]
>
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