carsonscott / hsom Goto Github PK
View Code? Open in Web Editor NEWHierarchical self-organizing maps for unsupervised pattern recognition
Hierarchical self-organizing maps for unsupervised pattern recognition
This looks like it could be very powerful, but the examples given are trivial, which is great for showing how to use it, but begs the question, can it actually be effective in more involved applications?
wij
is unused
https://github.com/CarsonScott/HSOM/blob/master/hsom/self_organizing_map.py
def compute_weights(self, sample):
for winner in self.winners:
W = self.nodes[winner]
h = self.thresholds[winner]
y = self.outputs[winner]
x = self.inputs[winner]
dh = self.learning_rate * (x - h)
h += dh
for i in range(len(W)):
if sample[i] == 1:
dwi = self.learning_rate * y
else:
dwi = -self.learning_rate * y
wi = W[i]
wi += dwi
if abs(wi) > 4:
wij = 4 * sign(wi)
W[i] = wi
self.nodes[winner] = W
self.thresholds[winner] = h
A declarative, efficient, and flexible JavaScript library for building user interfaces.
๐ Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
An Open Source Machine Learning Framework for Everyone
The Web framework for perfectionists with deadlines.
A PHP framework for web artisans
Bring data to life with SVG, Canvas and HTML. ๐๐๐
JavaScript (JS) is a lightweight interpreted programming language with first-class functions.
Some thing interesting about web. New door for the world.
A server is a program made to process requests and deliver data to clients.
Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.
Some thing interesting about visualization, use data art
Some thing interesting about game, make everyone happy.
We are working to build community through open source technology. NB: members must have two-factor auth.
Open source projects and samples from Microsoft.
Google โค๏ธ Open Source for everyone.
Alibaba Open Source for everyone
Data-Driven Documents codes.
China tencent open source team.