
feature engineering
/ˈfiːtʃər ˌendʒɪˈnɪərɪŋ/
Creating new input variables from raw data
feature engineering in a sentence
“Feature engineering extracted meaningful signals from the timestamp data.”
Origin of feature engineering
From Latin factura (a making) + Old French engin (skill), from Latin ingenium (cleverness)
Related Words
dimensionality reduction
Reducing the number of variables while preserving information
cross-validation
Evaluating models by training on subsets and testing on the rest
precision
The proportion of positive predictions that are correct
recall
The proportion of actual positives correctly identified
F1 score
The harmonic mean of precision and recall
ROC curve
A graph showing classifier performance at various thresholds