New user looking for help with SharpNeat
Has anyone here worked with SharpNeat before? I wrote up a quick experiment and I have it running but I do not see where or how to train the genomes (?, I get caught on terminology as well). From what...
View ArticleStanford's Unsupervised Feature Learning & Deep Learning Tutorial
Here's my implementation of Stanford's UFLDL Tutorial in Python: UFLDL Tutorial CodeThe code includes complete and fully functional implementation of sparse auto encoder, softmax regression, stacked...
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Hierarchical clustring given distance matrix
I have computed the distance matrix for 256 objects, and I want to cluster these objects accordingly. The distance matrix is basically the edit-distance between each pair of objects (strings).However,...
View ArticleA good reference for boosted decision trees?
I want to be able to use boosted decision trees for an analysis that I am doing, and I am wondering what people around here would reccommend as a good source to dive in with. submitted by...
View ArticleAdvice on a problem I want to solve to get started in ML
I'm trying to learn machine learning on my own and though of a summer project that is intersting to me. I've done a bit of reading on the subject but I'm sure there are plenty of things I'm missing. Is...
View ArticleTwo class classification or one class classification for selecting sports...
Is the problem of classifying a document as sports-related / non-sports better handled when solved as a one class classifier problem ?I have worked on a similar problem earlier using Naive-Bayes...
View ArticleBayesian optimization with gaussian processes
I put together a python module to perform global optimization with gaussian processesMy motivation was finding good sets of parameters when doing cross validation in a efficient manner, and this seems...
View ArticleEstimating bias-variance trade-off in practice.
In practice, when you are given just the data set and you are free to apply a model of your choice, how do you go about choosing your possible hypothesis set and approximate the hypothesis for say a...
View ArticleWhy can you solve LASSO with gradient descent if LASSO is not differentiable
We know that LASSO is min ||Ax - b||_22 + lambda||beta||_1wherethe L1 regularization is not differentiable due to the absolute operatorso I am really confused to how we use gradient descent to solve...
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Hadoop - Just the Basics for Big Data Rookies - full talk
submitted by Feribg [link][comment]
View ArticleFun prediction task - suggestions please!
For fun at work we're having a sweepstake predicting scores of all world cup football matches. Any method is fair game, so I'm wondering what ML techniques I can use.TRAININGI've gathered historic data...
View ArticleReg choosing the right course work
Hi,I want to be a data analyst and planning for an advanced degree. I have the following queries regarding Big data /data science/analytics. As analytics is a applied knowledge, How can I get the same...
View ArticleDesk Reference: Bishop, Hastie, Murphy or Duda?
I sometimes need a good resource to share with colleagues or students to give them a basic background about machine learning approaches being used for analysis. The Hastie book has an online pdf which...
View ArticleMarkov chains, Gaussian processes, regressors and Bayesian filters
Hi all,I'm a bit confused here. I have used Kalman filters and Particle filters before to filter noisy observations. The state transition model in such Bayesian filters represent P(state[t] |...
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Trends in machine learning...and why I'm sick of the deep learning hype.
submitted by zionsrogue [link][41 comments]
View ArticleMachine Learning Study Group - Thread # 1 (Update)
As an update to the last thread, I'll be posting study group content both to a reddit thread and to a blog I've started. This seems easier to manage than a mailing list, and this way, people can...
View ArticleFAQ and measures of impact crusher in Africa
Impact crusher is widely used in fields of ore crushing line, railways, highways, energy, cement, chemical industry, building etc. Impact crusher always appears fault in the crushing process as a...
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Data Science Stack Exchange is in public beta from today.
submitted by tomaskazemekas [link][1 comment]
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