New answers tagged distribution
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The key assumption you take when you are building a model is that the training features and the test features belong to the same distribution.
Many algorithms are sensitive to subtle changes. For example, when Gradient Decent tries to find a local minima, it will be able to do so more easily if the data it is fed is normalized - with the mean and standard ...
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This problem requires you to distinguish customer behavior . One customer’s purchase pattern may be different from another. I am assuming that you are collecting this data daily . Let’s assume that the data for each day is a vector
In multi- dimensional space . you can calculate Mahalanobis distance between the vector for current day which will be of ...
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