[R] Matrix for correlation

[Uwe Ligges]

On 29.11.2011 16:41, Geophagus wrote:
> hi @ all,
> I have problem with creating a matrix for a cor() function.
> I try to use the cor() function on a matrix to test the correlation between
> each value in a column.
> Maybe like corr(x, method = xyz).
> My x has two columns maybe like this:
>
> MEDIA  VALUE
> Car      23
> Train    26
> Plane   25
> Cab     22
> Bike     15
>
> .... and so on.
 >
> Now I want to calculate the correlation between Car and Train, Car and
> Plane, Train and Plane and so on.
>


If the above is your data, then you have indeed no clue what the word 
"correlation" means. Please look it up in a textbook and find why you 
cannot calculate it for this kind of data. If you do not find, please 
ask a local statistician for help.

Uwe Ligges



> Sorry but I don't have a clue and I hope there is an easy way to solve my
> problem.
> Thanks a lot for all answers.
>
> Greetz Geo
>
>
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