Questions tagged [self-organizing-map]

For questions related to different types of Self Organising Maps.

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How does dimensionality reduction occur in Self organizing Map (SOM)?

We have n dimension input for SOM and the output 2-D clusters. How does it happen?
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0answers
19 views

Self-organizing map using weighted non-euclidean distance to minimize variance of predictions

Let's say I have a dataset, each item/row of which has $\mathit{X + 1}$ characteristics where the last characteristic (i.e., the $\mathit{1}$) represents the some value I want to predict, $\mathit{Y}$,...
5
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0answers
31 views

What is the impact of using multiple BMUs for self-organizing maps?

Sort of a conceptual question here. I was implementing a SOM algorithm to better understand its variations and parameters and got curious about one bit: the BMU (best matching unit == the neuron that ...
2
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1answer
155 views

Is it normal that SOM clusters the instances with the “versicolor” class into multiple different BMUs?

I have trained (with different sizes, learning rates, and epochs) a SOM network to cluster the Iris dataset. The instances associated with the class setosa have ...