Herbert, that looks like fun and a wonderful addition to the mental toolbox.


I am at my factoryvjpb until Monday. I will touch base then or Tuesday.


Thx




---- On Sat, 04 Apr 2020 05:53:13 -0400 herbertkoenig at gmx.net wrote ----


Hi,

I used this for mapping comments from testers to error causes (soldering, supplier.....) in production of electronics. I achieved a recognition rate 80% which was good because the computer looked at 100% of the comments, humans (= me :-) at 1%.

It's shaky, and slow and depends a lot on deciding of the similarity criterion and mapping the text input to floats. 1250 trainings samples, 1200 Neurons 280 inputs (known words) each take 15 minutes to train. The code is from 2007 and I remember running it over night because hardware was slower back when.

Also it was not pure SOFM. Lots of fun thou.

Anyway gettimothy if you want to give it a try, we can talk and I can share code.

Cheers,

Herbert


Am 03.04.2020 um 23:23 schrieb gettimothy via Squeak-dev:

That's interesting and I will read up on it as I get time.



It is an interesting problem isn't it?



What I might try is having each LatinRoot object visit each other one and by some heuristic, have them determine if they are "close" to each other.



For giggles, I can randomly assign an integer weight to each one, and if the absolute value of their difference is within X, then they are close.



That in itself is an interesting problem in itself. How to efficiently (or not)  have 800 objects visit the other 799 objects.

How to store the set of "other close objects" in an object.


Then, as other heuristics of "close" are developed, I can re-use that 




Thanks for your reply!




---- On Fri, 03 Apr 2020 17:12:31 -0400 Stéphane Rollandin <lecteur at zogotounga.net> wrote ----



Just a wild guess: self-organizing maps?

https://en.wikipedia.org/wiki/Self-organizing_map

Stef











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