[R] question from environmental statistics

Francisco J. Zagmutt gerifalte28 at hotmail.com
Mon Jul 18 07:32:17 CEST 2005

Dear Dev

I believe you may need some conceptual guidance in probability theory and 
statistics rather than help with a specific R function to solve your 
analysis.  May I recomend you to visit the statistic consulting office in 
your campus or perhaps review a textbook on applied probability.

Best wishes


>From: pantd at unlv.nevada.edu
>To: r-help at stat.math.ethz.ch
>CC: gerifalte28 at hotmail.com
>Subject: [R] question from environmental statistics
>Date: Fri, 15 Jul 2005 18:03:15 -0700
>thanks Fran. that was useful but Im still in a fix. its a real life data 
>looks like this:
>(benzene conc. taken after WTC attacks)..its just a small chunk of data i 
>for you to look at.
>its neither normal nor lognormal. someone told me that qq plot does help in
>determining the distribution. im not sure how to get it.
>can someone help me in this.
>Take a look at this document by Vito Ricci:
>Did you try RSiteSearch("Fit distribution") or a Google search?  That will
>lead you to fit.dist{gnlm} and fitdistr{MASS}
> >From: pantd at unlv.nevada.edu
> >To: r-help at stat.math.ethz.ch
> >Subject: [R] question from environmental statistics
> >Date: Thu, 14 Jul 2005 14:06:45 -0700
> >
> >
> >
> >Dear R users
> >I want to knw if there is a way in which a raw dataset can be modelled by
> >some
> >distribution. besides the gof test is there any test involving gamma or
> >lognormal that would fit the data.
> >
> >thank you
> >
> >-dev

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