[R] Matrix for correlation

R. Michael Weylandt michael.weylandt at gmail.com
Tue Nov 29 16:56:42 CET 2011


I'm not sure how you mean to calculate correlation if you have a
single observation of each medium....can you provide your data (or a
subset thereof) so we can see what you are actually working with and
if correlation makes sense.

Michael

On Tue, Nov 29, 2011 at 10:41 AM, Geophagus
<falk.hilliges at twain-systems.com> 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.
>
> 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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