[R] Two-way ANOVA

[casot at libero.it]

I forget to specify that the data in the table are random. and I want to know how it is possible to carry out all the two way ANOVA test in a single run for all the columns. thank you


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>From      : r-help-bounces at stat.math.ethz.ch
To          : 
Cc          : "r-help" r-help at stat.math.ethz.ch
Date      : Wed,  1 Aug 2007 16:57:39 +0200
Subject : [R]  Two-way ANOVA







> I've got this dataframe
> 
>    X12 X14 X17 X19 vitigni years
> 1    1   4  78  54     rie  2005
> 2    1   4   7   4     rie  2005
> 3    1   4  75   5     rie  2005
> 4    2   5  66   5    croa  2005
> 5    1   4   4  46    croa  2005
> 6    2   5   7   6    croa  2005
> 7    3   2  56   5     rie  2006
> 8    3   6   4   7     rie  2006
> 9    3   2  36   7     rie  2006
> 10   1   5   3   7    croa  2006
> 11   1 342  65   7    croa  2006
> 12   1   4  56   6    croa  2006
> 
> vitigni and years are the two factors. how can I run a two way ANOVA on each column?
> 
> 
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