[R] Cluster Analysis:build a classifier?

x_x animaxy at gmail.com
Sun Nov 25 16:53:21 CET 2007


Dear Uwe,
Thank you very much for your reply, I think that's why I've done lots of
research on this to no avail. And also, thanks for the suggestion on the
signature.

Best wishes,
Yang

Uwe Ligges wrote:
> 
> 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.
> 
> Best,
> Uwe Ligges
> 
> ______________________________________________
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> PLEASE do read the posting guide
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> and provide commented, minimal, self-contained, reproducible code.
> 
> 

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