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How do I find the indices of the Self Organizing Map (SOM) training set output

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Scott
Scott 2013-8-5
回答： YILMAZ KAYA 2020-8-25
I'm using the SOM toolbox and have created the following:
net = selforgmap([10 10)];
[net,tr] = train(net,inputs);
where 'inputs' is a 5x10000 matrix of 5 parameters with 10000 samples.
using plotsomhits(net,inputs); shows how the 10000 samples are getting clustered.
Question: How do I output where each individual vector is clustered? For example where on the 10x10 grid is vector #1 located?
TIA
Scott

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采纳的回答

Shashank Prasanna
编辑：Shashank Prasanna 2013-8-5
Here is an example that should help you:
net = selforgmap([10 10]);
[net,tr] = train(net,inputs); % Classify input data
op_som = vec2ind(net(inputs))';
for each input in inputs, op_som will have a numbering between 1 to n based on which cluster it belongs to.

更多回答（2 个）

Scott
Scott 2013-8-6
Works great, thanks Shashank! Scott
YILMAZ KAYA
YILMAZ KAYA 2020-8-25
It works. Thanks so much....

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