[R] structure data

[John Kane]

Sorry I misunderstood the question.  My guess, and I'm
afraid that's all it is is that you would be best off
with a list.  I suppose you might even want lists of
lists but I am not quite sure about what 'parameter'
means here.  
--- Antje <antje.niederlein at yahoo.de> wrote:

> Yes, I know, that these methods might help to
> calculate but my question was 
> more about how to structure the data that I can
> realize this easy computation 
> afterwards. Due to the flexibility I need, I would
> like to avoid calculations I 
> don't need...
> 
> Antje
> 
> 
> John Kane schrieb:
> > Have a look at ?aggregate or the doBy library. 
> They
> > may be what you want.
> > --- Antje <antje.niederlein at yahoo.de> wrote:
> > 
> >> Hello,
> >>
> >> I have a quite simple question, I guess. I have a
> >> data frame and I would like 
> >> to process the data in several ways.
> >> The processing is dependent on grouping (factors)
> >> and the parameter itself. 
> >> Meaning for parameter1 in the df, I would like to
> >> calculate the mean and sd 
> >> when grouping by factor1. But parameter2 might be
> >> different. I thought of a 
> >> structure like this:
> >>
> >> group1
> >>      param1   (mean, sd)
> >>      param2   (sum)
> >>
> >> group2
> >>      param1   (mean, sd, median)
> >>      param2   (mean, sd)
> >>
> >> I'm not sure how to build up this "processing
> info"
> >> structure. (The processing 
> >> itself will be later based on this structure).
> >> Would you use a list? (matrix and vector are not
> so
> >> flexible for different 
> >> length...)
> >>
> >> Can anybody help m with this?
> >>
> >> Antje
> >>
> >> ______________________________________________
> >> R-help at r-project.org mailing list
> >> https://stat.ethz.ch/mailman/listinfo/r-help
> >> PLEASE do read the posting guide
> >> http://www.R-project.org/posting-guide.html
> >> and provide commented, minimal, self-contained,
> >> reproducible code.
> >>
> > 
> > 
> > 
> 
> >
> 
> ______________________________________________
> R-help at r-project.org mailing list
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> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained,
> reproducible code.
>