Machine Learning
24 views
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
Ridge Regression
Regularized regression using L2 penalty to prevent overfitting
LightGBM
Fast gradient boosting framework using histogram splitting
A/B Testing
Statistical method comparing two versions for performance
Autoencoder
Neural network learning compressed data representations
Underfitting
When a model is too simple to capture data patterns
AdaBoost
Combining weak classifiers with adaptive sample weighting