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Data Science We define DS as Engineering + Analytics. Analytic part has alr demonstrated through another blog. This time we focus on Engineering. Wher 阅读全文
posted @ 2026-04-07 08:50
rainrzk
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0 What is Statistics? There exists two main philosophic ideas for Statistics: Frequentist, and Bayesian. Frequentists assume there is a fixed, exact v 阅读全文
1.1 Fenwick Tree Keywords: Contribution Trick 1.1.1 Classic Fenwick Just like prefix sums, we store 0 for the first index (1-based indexing). Fenwick 阅读全文
1 Tradition 1.1 Perceptron Formula. Error Bound Theorem. Multiclass. 1.2 Linear Regression MLE & MAP. Formula. Regularization. 1.3 kNN Graph. Overfit 阅读全文