Value imputation Data Engineering
noun phrase
Definition: The process of replacing missing, invalid, or unavailable values in a dataset with estimated values based on statistical, rule-based, or model-based methods [Google ML Glossary; Raynor 1999].
Example in context: “Importantly, this missing value imputation was performed using the training set only, without using the test set.” [Ribeiro, Freitas 2024]
Synonym: missing-value imputation
Related terms: data imputation, mean imputation, KNN imputation, missing data handling