Learning a high-frequency, irregular objective function
I have an objective function f(x) that looks like (x%m_1)/m_1 for one range, then (x%m_2)/m_2 for another range, etc. for several ranges, with x ranging from 0 to 1 billion, and the m's are roughly a...
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Getting started in Machine Learning from square one: please tell me if I'm...
HiI know next to nothing about Machine Learning, have a beginner-level (and growing) understanding of a variety of programming languages (mostly Ruby) and the highest level of math I've taken is...
View ArticleDatasets for using ML algorithms
Hi,I've worked through much of the machine learning course that is on Coursera from Andrew Ng. What I would like is the opportunity to play around with some of these algorithms in practice, for...
View ArticleBrew: a Forth laboratory for artificially evolving programs fit for a purpose
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Has anyone used NumaScale? What are your opinions and experiences?
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View ArticleMultiple Kernel Learning issue
Suppose I have a set of normalised Kernels that line on the unit semi definite cone. While combining these kernels in a MKL algorithm how should I set the constraints on the optimization problem so...
View ArticleNot sure if ML is applicable to my problem.
I don't know much about machine learning, but currently have a project that might benefit from it. Unfortunately, as I don't know much about ML I don't know if this is true, nor where to start!I have a...
View ArticleUsing PCA to produce a black and white (grayscale) photo
I was messing around with some image processing and tried out a fun (albeit trivial) use for PCA. For a given image, I took each pixel's RGB value as a 3 dimensional vector. Then projected each pixel...
View ArticleWhat do people think about Jeff Hawkins' Cortical Learning Algorithm? Seems...
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A really gentle introduction to Hidden Markov Models.
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View ArticleOn concepts, invariant memories, and machine learning
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The secret is that "big data" means different things depending on whether you...
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View ArticleLearning to play Super Mario [x-post from /r/compsci]
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View ArticleResearch on plastic/mutable neural networks
Does anyone know of any good sources on plastic neural networks? i.e. neural networks where you add/remove inputs, outputs and/or any nodes in between. submitted by shosuroyokaze [link][3 comments]
View ArticleCredit Risk Model Help /*Xpost r/statistics*/
Hello. Making a Probability to Default model for the first time and we need to make a transactional based, real time model for various business reasons. Having never done this before and having long...
View ArticleTrying to implement LSA in matlab. How can I build my incidence matrix faster?
I'm attempting to utilize latent semantic analysis (LSA) to develop a semantic space in order to use a SVM to classify text based on semantic relatedness. I've attempted to use a few open source...
View ArticleNeed help identifying this ensemble post processing technique
Hello all, suppose we have ensemble output that consists of N members. Each member is real valued (single floating point number). In addition, assume we have "truth" values that specify what the...
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