self-organizing-maps Questions

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I have a data frame representing a time series like for example: timestamp: 1|2|3|4|5|6|7|8|9|10|11|12|13|14|15|16|17|18|19|20|21|22|23|24|25|26|27|28... value: 0|0|3|6|3|3|6|3|3|6 |3 |0 |0 |0 |1...

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Does anyone know how well does Self Organizing Maps(SOM) compare to k-means? I believe usually in the color space,such as RGB, SOM is a better method to cluster colors together as there is overlap ...
Hewart asked 6/7, 2011 at 16:57

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I like to stop the execution when Batch SOM becomes converged. What error function can I use to determine the convergence?

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I am looking for hexagonal self-organizing map on Python. ready module. If one exists. way to plot hexagonal cell algorithms to work with hexagonal cells as array or smth else About: A self-o...

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How exactly is an U-matrix constructed in order to visualise a self-organizing-map? More specifically, suppose that I have an output grid of 3x3 nodes (that have already been trained), how do I con...
Duplet asked 29/11, 2012 at 17:48

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There is only one question related to this in stackoverflow, and it is more about which one is better. I just dont really understand the difference. I mean they both work with vectors, which are as...

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So I am being stumped by something that (should) be simple: I have written a SOM for a simple 'play' two-dimensional data set. Here is the data: You can make out 3 clusters by yourself. Now...

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I want to create a collage of photos. Similar to this image (think of photos instead of those colored rectangles): The collage should be constructed from the following information. We have a 2d...
Mordecai asked 23/5, 2012 at 13:28

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I'm looking for a C, C++ or Java based SOM implementation with licensing applicable for commercial use (non-zero cost is okay). So far I'm aware that there exists SOM_PAK (from Kohonen), but the l...
Canaille asked 28/10, 2009 at 2:23
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