[R] Can I test if there are statistical significance between different rows in R*C table?

Uwe Ligges ligges at statistik.uni-dortmund.de
Fri Jul 20 13:11:21 CEST 2007



zhijie zhang wrote:
> Dear  friends,
>   My R*C table is as follow:
> 
> 
> 
> better
> 
> good
> 
> bad
> 
> Goup1
> 
> 16
> 
> 71
> 
> 37
> 
> Group2
> 
> 0
> 
> 4
> 
> 61
> 
> Group3
> 
> 1
> 
> 6
> 
> 57
> 
>    Can I test if there are statistical significant between Group1 and
> Group2, Group2 and Group3, Group1 and Group2, taking into the multiple
> comparisons?


So what is you hypothesis? Statistical significance of what it to be tested?

Uwe Ligges



> The table can be set up using the following program:
> 
> a<-matrix(data=c(16,71,37,0,4,61,1,6,57),nrow=3,byrow=TRUE)
> Thanks very much.
> 
>



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