dimensionality reduction
/daɪˌmenʃəˈnælɪti rɪˈdʌkʃən/
Reducing the number of variables while preserving information
dimensionality reduction in a sentence
“Dimensionality reduction made the dataset manageable for visualization.”
Origin of dimensionality reduction
From Latin dimensio (a measuring), from dimetiri (to measure out)
Related Words
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
AUC
Area Under the Curve, measuring overall model performance