[R] Question about ifelse() XXXX

[Duncan Murdoch]

On 02/12/2013 2:08 PM, Dan Abner wrote:
>   Hi all,
>
> Can anyone explain what is happening with element 4,4 of c1? ifelse()
> is not recongizing it as value 1:

FAQ 7.31.

Duncan Murdoch

>
> > c1
>            q1        q2        q3        q4
> q1 1.0000000 0.6668711 0.6948419 0.5758860
> q2 0.6668711 1.0000000 0.6040746 0.4917447
> q3 0.6948419 0.6040746 1.0000000 0.4730732
> q4 0.5758860 0.4917447 0.4730732 1.0000000
> > ifelse(c1==1,1,0)
>     q1 q2 q3 q4
> q1  1  0  0  0
> q2  0  1  0  0
> q3  0  0  1  0
> q4  0  0  0  0
> > c1[4,4]
> [1] 1
>
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