Hi Barry!
Thank you very much for this idea ... this is actually very useful (I am
also using some hierarchical clustering, and if you want to perform the
single steps for whatever reason, i.e. something like:
dist = r.dist(data, method="euclidean")
hc = r.hclust(dist, method="ward")
then you
Thank you very much; that works. Great!
Thomas.
Laurent Gautier wrote:
>2008/2/7, Thomas Walter <[EMAIL PROTECTED]>:
>
>
>>Hi everybody!
>>
>>I am trying to use the R-function princomp (or prcomp, I tried both, but
>>I get the same error anyway) in order to apply principal component
>>analysi
Thomas Walter wrote:
> pca = r.princomp(r.t(mat), cor=True)
>
> Okay, this works. But if I want to use the predict functionality of
> princomp, like:
> pred = r.predict(pca)
>
> I obtain the following error:
>
> Traceback (most recent call last):
> File "", line 1, in
> rpy.RException: Erro
2008/2/7, Thomas Walter <[EMAIL PROTECTED]>:
> Hi everybody!
>
> I am trying to use the R-function princomp (or prcomp, I tried both, but
> I get the same error anyway) in order to apply principal component
> analysis to my data.
>
> Now, this works fine:
>
> let yoyoL be a list of lists :
>
> yoyo
