Specify the number of clusters to be the number of distinct labels in the dataset and let the other parameters unchanged. We start by loading the dataset and defining some variables we are using in the following. The size of the vocabulary). You have no items in your shopping cart. Writing this function is out of the scope of this course and that’s why it is given to you below: Function has been applied), we will store the resulting matrices (that contain information of the words that represent topics as well as wihich topics are included in which documents).
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Indeed, since lda because is a probabilistic graphical model, it makes no sense to use the tf-idf. In this session, two algorithms are applieds, nmf and lsa.