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python Programming Glossary: clustersPython unicode regular expression matching failing with some unicode characters -bug or mistake? http://stackoverflow.com/questions/12746458/python-unicode-regular-expression-matching-failing-with-some-unicode-characters रà but only 3 user perceived characters extended grapheme clusters . It would be wrong to break a word inside a character. Unicode..
http://stackoverflow.com/questions/1545606/python-k-means-algorithm
Image segmentation based on edge pixel map http://stackoverflow.com/questions/18972932/image-segmentation-based-on-edge-pixel-map in the same cluster no edge between them or in different clusters there is an edge between them . Take a look at the example at..
How to detect a Christmas Tree? http://stackoverflow.com/questions/20772893/how-to-detect-a-christmas-tree tree plus a few of the images also have some other small clusters corresponding either to lights in the windows of some of the.. to get the computer to recognize that these are separate clusters and label each pixel correctly with a cluster membership ID.. to do with any calculations that actually matter. Once the clusters are identified and labeled the third and final step is easy..
Python - Find dominant/most common color in an image http://stackoverflow.com/questions/3241929/python-find-dominant-most-common-color-in-an-image ar ar.reshape scipy.product shape 2 shape 2 print 'finding clusters' codes dist scipy.cluster.vq.kmeans ar NUM_CLUSTERS print 'cluster.. is s # s ' peak colour Note when I expand the number of clusters to find from 5 to 10 or 15 it frequently gave results that were.. c scipy.r_ scipy.where vecs i code scipy.misc.imsave 'clusters.png' c.reshape shape print 'saved clustered image' share improve..
Highlighting unmatched brackets in vim http://stackoverflow.com/questions/542929/highlighting-unmatched-brackets-in-vim code you could modify rainbow.vim to use the python syntax clusters instead of the C ones but this is a little more involved but..
Is it possible to specify your own distance function using Scikits.Learn K-Means Clustering? http://stackoverflow.com/questions/5529625/is-it-possible-to-specify-your-own-distance-function-using-scikits-learn-k-means after k means. If you're expecting roughly equal sized clusters but they come out 44 37 9 5 5 ... sound of head scratching ...
Kmeans without knowing the number of clusters? http://stackoverflow.com/questions/6615665/kmeans-without-knowing-the-number-of-clusters without knowing the number of clusters I am attempting to apply k means on a set of high dimensional.. are any implementations that find the optimal number of clusters. I remember reading somewhere that the way an algorithm generally.. you pick a subset of your data and cluster it into k clusters and you ask how well it clusters compared with the rest of the..
Calculating the percentage of variance measure for k-means? http://stackoverflow.com/questions/6645895/calculating-the-percentage-of-variance-measure-for-k-means an elbow method is described for determining the number of clusters in k means. The built in method of scipy provides an implementation.. if you graph the percentage of variance explained by the clusters against the number of clusters the first clusters will add much.. variance explained by the clusters against the number of clusters the first clusters will add much information explain a lot of..
Is there a good way to do this type of mining? http://stackoverflow.com/questions/7076349/is-there-a-good-way-to-do-this-type-of-mining asked for help in this question Identifying column and row clusters with linear programming However after getting a reply there..
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