Machine Learning
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Feature Engineering
Quick Definition
Creating and transforming input variables to improve performance
Full Definition
Using domain knowledge to create, select, and transform input variables to improve model performance.
Examples
interaction terms, encoding categoricals, scaling features
Related Terms
data-preprocessing
feature-selection
More Machine Learning Terms
Active Learning
Algorithm selecting most informative data points for labeling
K-Means
Partitioning data into k clusters by updating centroids
Bagging
Training models on random subsets and averaging predictions
Gradient Boosting
Sequential ensemble method correcting previous model errors
Boosting
Sequentially combining weak learners correcting previous errors
XGBoost
Optimized gradient boosting library for structured data