Is there an ensemble technique package for unsupervised learning in R?
I am trying to implement unsupervised learning algorithms on an unlabeled data set in R. I have used the algorithms like PCA and KNN, I want to see if I can further improve my results using ensemble...
View ArticleNon-linear least squares and machine learning
My research group does work in nonlinear dynamics and parameter fitting. We don't exactly approach the problem as one of machine learning though it arguably is a form of it. Part of our work involves...
View ArticleEnsemble learning with multiple feature sets: what is it called?
In a learning task (web page classification), I have used 3 classifiers on a training set. Namely,*classifier 1 uses feature set A (extracted with feature_extractor_A), eg. using features from HTML...
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Neural Nets: how do hidden units and sigmoids approximate nonlinear functions?
Just learning about neural nets and haven't really seen how/if the hidden units with sigmoid activation functions lead to the approximation of arbitrary nonlinear functions.Any intuition or proof is...
View ArticleDocument representation for information retrieval systems
Hi everyone, I am trying to figure out which is the best document representation for an information retrieval (IR) system. There are two popular options at the state-of-the-art: (1) BOW (Bag Of Words),...
View ArticleQuality score for MC PageRank approximation
Hey people, I'm implementing a Monte Carlo PageRank approximation. I want to measure it's accuracy when compared to the "true" scores that power iteration gets. So I have two probability distribution...
View ArticleWhat is the current state of artificial creativity?
I have no idea how are the developments in this area, and I'm willing to try emulating creativity (literature, music, painting... etc). submitted by MindArchitect [link][21 comments]
View ArticleAskML: Machine Learning and Cloud Cover Forecasting
We have a 300 x 300 element data set that represents some geographic area, where each element/pixel is about 1km on a side. Each element holds one of two values: clear or cloud. The data is represented...
View ArticleI've done a comparison of Mini Batch & Elkan's k-Means
I've made this a text post since it seems submitting to your own blog is a no no. Its been a little sparse in here, so I figured I would submit some of my own investigation into Mini Batch k-Means and...
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Darwin: framework for machine learning and computer vision research and...
submitted by therobot24 [link][2 comments]
View ArticleEntry level jobs in Machine Learning?
Hi all,I'm wondering what an entry level job for an ML career would look like. Embarrassingly, I actually have a Master's in ML, but I know I'm not qualified to tackle the ML jobs listed on...
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Researchers say AI prescribes better treatment than doctors
submitted by Barbas [link][13 comments]
View ArticleAligning new sentence pairs with the Berkeley Aligner
I'm trying to use the Aligner (unsupervised) to align Korean and English sentences. I see that when I run the aligner on the example data, it does the "test" step on the example test corpus. Based on...
View ArticleBackpropagation neural network: choosing the number of input neurons and...
So I'm building a 3-layer backprop neural network to help me transform a feature vector input of roughly 50 elements into a score from 0 - 100. EDIT - should mention I plan on having at least 1000...
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The secret of the big guys: K-means clustering + a linear model = good results
submitted by Foxtr0t [link][15 comments]
View ArticleThesis: Linking tweets to events
Hi,I'm a CS student majoring in ML and I'm searching for some thesis topic for next year.One idea I have is to try to find methods to automatically link certain tweets to certain events (people...
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Suggestions for online courses in machine learning, AI and/or mathematical...
My workplace (a history research institute) is asking me to submit right away (as in, today) a list of courses that I might like to take. I am a research technician with lots of programming experience...
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