[R] chi square test

R. Michael Weylandt michael.weylandt at gmail.com
Mon Jun 17 10:36:35 CEST 2013


On Mon, Jun 17, 2013 at 9:14 AM, Dave Clark <dave at mailbox.co.uk> wrote:
> I`m doing the chi square test in R, see below code:
>
>> row1 <- c(27,17,13,21,80,24,35,41,18,51) #Category A (1-10) counts
>> row2 <- c(27,11,26,13,30,28,17,30,10,21) #Category B (1-10) counts
>> data.table <- rbind(row1,row2)
>> data.table
>
> then:
>> chisq.test(data.table)
>
> This gives me the chi figure, degrees of freedom and p value.
>
> But how do I get the results of individual cells?

What do you mean 'results of individual cells'? As documented in
?chisq.test, you might be looking for one or more of

data.table$observed
data.table$expected
data.table$residuals
data.table$stdres

Pick your poison. ;-)

MW

>
> And has anyone got any good ideas on a decent post hoc test to the chi
> square test.
>
> Thanks all in advance,
>
>
>
> Dave Clark
>
>
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>
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