[R] About compositional data analysis

[Frede Aakmann Tøgersen]

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 Tøgersen
 

 

> -----Oprindelig meddelelse-----
> Fra: r-help-bounces at stat.math.ethz.ch 
> [mailto:r-help-bounces at stat.math.ethz.ch] På 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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