Tagged Questions

0
votes
1answer
29 views

mapping data with a spike to a heat map

I have the following data set that I need to display on the heat map: [ 30, 15, 66, 7, 9999, 78, 42, 132 ] So if I map the values to the color scale using a ...
8
votes
3answers
188 views

What is the most efficient way of training data using least memory?

This is my training data: 200,000 Examples x 10,000 Features. So my training data matrix is - 200,000 x 10,000. I managed to save this in a flat file without having memory issues by saving every ...
2
votes
1answer
259 views

Algorithms for 1D Gaussian mixture with equal variance and noise cluster

I would like to fit a Gaussian mixture model to some data. The data is 1D and I want to constrain all the Gaussians to have equal variance. I would also like to have a uniform background noise cluster ...
5
votes
2answers
509 views

Algorithms for clustering documents by similar words and phrases

I'm working on a project where I'm trying to take a pair of documents and find and group (cluster) similar words and phrases between them. Which algorithm would solve this kind of a problem? I know ...
2
votes
3answers
533 views

Back propagation neural network data input advice

I am currently doing a project which involves pothole detection and neural networks. So far, I have an Android phone that reads Accelerometer readings and writes the X,Y,Z Axis aswell as the Amplitude ...