chore: import upstream snapshot with attribution

2026-07-13 13:38:23 +08:00
commit 2725b63d23
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+Dealing with missing data
+  Eliminating samples or features with missing values
+  Imputing missing values
+  Understanding the scikit-learn estimator API
+Handling categorical data
+  Mapping ordinal features
+  Encoding class labels
+  Performing one-hot encoding on nominal features
+Partitioning a dataset in training and test sets
+Bringing features onto the same scale
+Selecting meaningful features
+  Sparse solutions with L1 regularization
+  Sequential feature selection algorithms
+Assessing feature importance with random forests
+Summary