[R] Cluster Analysis:build a classifier?

Uwe Ligges ligges at statistik.uni-dortmund.de
Sun Nov 25 16:42:40 CET 2007

x_x wrote:
> Dear All,
> I'm currently doing a project about unsupervised learning, and I'll be using
> R to analyse a few network traffic datasets downloaded off Andrew Moore's
> website
> (http://www.cl.cam.ac.uk/Research/SRG/netos/nprobe/data/papers/sigmetrics/index.html). 
> Could anyone shed some light on how to build a classifier from the training
> set A, and then use a validation set B to assess the performance of the
> classifier? I'm able to group these datasets into groups using hclust() and
> kmeans() etc., but I don't see the connection between the clustered dataset
> A and the remaining sets.
> Any thoughts would be much appreciated!
> Yours sincerely,
> x_x

Dear x_x,

you are confusing unsupervised learning/clustering with supervised 
learning/classification, I fear. Please ask your teacher/supervisor for 
getting the terminology right. Please note that it is good practice to 
sign e-mail messages with your real name.

Uwe Ligges

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