[R] Simple 2-Way Anova issue in R

[jim holtman]

> x
  Year Depth Biomass1 Biomass2
1 1999    10     14.3     14.7
2 1999    15     14.7     15.6
> require(reshape)
> melt(x, id=c('Year','Depth'))
  Year Depth variable value
1 1999    10 Biomass1  14.3
2 1999    15 Biomass1  14.7
3 1999    10 Biomass2  14.7
4 1999    15 Biomass2  15.6


On Sun, Nov 8, 2009 at 7:38 PM, znd <zackdaugherty at mail.com> wrote:
>
> Ah, I believe I constructed my *.csv wrong in that I only had 1 observation
> within groups whereas I needed at least 2.
>
> Originally I had:
>
> Year     Depth     Biomass1     Biomass2
> 1999     10         14.3           14.7
> 1999     15         14.7           15.6
> etc.
>
> but I switched this to:
>
> Year     Depth     Biomass
> 1999     10         14.3
> 1999     10         14.7
> 1999     15         15.1
> 1999     15         15.6
>
> I believe this may be the appropriate way to collapse my biomass data in
> order to perform a 2-way anova.
>
> If not feel free comment and thanks for the help.
> --
> View this message in context: http://old.nabble.com/Simple-2-Way-Anova-issue-in-R-tp26258684p26259649.html
> Sent from the R help mailing list archive at Nabble.com.
>
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-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

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