python Programming Glossary: markovGenerating random sentences from custom text in Python's NLTK? http://stackoverflow.com/questions/1150144/generating-random-sentences-from-custom-text-in-pythons-nltk share improve this question You should be training the Markov model with multiple sequences so that you accurately sample.. the starting state probabilities as well called pi in Markov speak . If you use a single sequence then you will always start.. of tokens and then feed each sentence separately to the Markov model. This will allow it to properly model sequence starts..
Machine Learning Algorithm for Predicting Order of Events? http://stackoverflow.com/questions/2524608/machine-learning-algorithm-for-predicting-order-of-events problem so you want Recurrent neural networks or hidden Markov models. If you only have a fixed time to look back time window..
tag generation from a text content http://stackoverflow.com/questions/2661778/tag-generation-from-a-text-content example say in a larger collection of documents the term 'Markov' is almost never seen. However in a particular document from.. However in a particular document from the same collection Markov shows up very frequently. This would suggest that Markov might.. Markov shows up very frequently. This would suggest that Markov might be a good keyword or tag to associate with the document...
Memory errors and list limits in python http://stackoverflow.com/questions/5537618/memory-errors-and-list-limits-in-python in python I need to produce large and big very matrices Markov chains for scientific purposes. I perform calculus that I put.. matrix . I need all those data in memory to proceed next Markov step but i can store them elsewhere eg file if needed evenif.. them elsewhere eg file if needed evenif it will slow my Markov chain walkthrough. My computer scientific lab Bi xenon 6 cores..
Some NLP stuff to do with grammar, tagging, stemming, and word sense disambiguation in Python http://stackoverflow.com/questions/8541447/some-nlp-stuff-to-do-with-grammar-tagging-stemming-and-word-sense-disambiguat the current stuff with sequences in tagged corpora and or Markov chains or consultation of grammar checking functions could provide..
Python: how do you store a sparse matrix using python? http://stackoverflow.com/questions/5164106/python-how-do-you-store-a-sparse-matrix-using-python nltk.corpus import brown f open 'spmatrix.pkl' 'wb' def markov L count 0 c len text1 for i in range 0 c 2 h L.index text1 i.. arr set text1 arr list arr mat lil_matrix len arr len arr markov arr f.close I need to store this mat in a file and should access.. matrix and then dump its contents to the file. Try def markov L count 0 c len text1 for i in range 0 c 2 h L.index text1 i..
How to approach number guessing game(with a twist) algorithm? http://stackoverflow.com/questions/7694978/how-to-approach-number-guessing-gamewith-a-twist-algorithm After reading and asking around I believe this is a hidden markov Viterbi problem that tracks the changes in fruit prices as well..
Applying machine learning to a guessing game? http://stackoverflow.com/questions/8057936/applying-machine-learning-to-a-guessing-game these choices even more. I 脎e been told this is a hidden markov problem but a trickier version because the states are changing.. people are suggesting this can be solved with a hidden markov model. I think I can run several iterations over the data using.. get better with more turns from the user . The way hidden markov models are able to check spelling or handwriting and improve..
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