Christine Keribin
CK
Signed articles
2 articles published in Tangente
Math for everyoneN°86May 16, 2023Mixture models
How can we estimate a model's parameters from a sample whose members come from several different subpopulations that have been mixed together, when information about which one each belongs to has been lost? Several methods are available, depending on the requirements and assumptions, including the famous EM algorithm.
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Math for everyoneN°86May 16, 2023Clustering
Your data collection has been highly effective: you now have a scatter plot revealing an impressive point cloud. How can these points be grouped into classes? How many classes will emerge? Today’s methods are advanced enough to automate the process.
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