When to Impute? Imputation before and during cross-validation.
Byron C. JaegerNicholas J. TierneyNoah R. SimonPublished in: CoRR (2020)
Keyphrases
- cross validation
- missing values
- model selection
- missing data
- hyperparameters
- variable selection
- imputation methods
- support vector
- regression problems
- incomplete data
- training set
- generalization error
- cross validated
- high dimensional data
- sample size
- nearest neighbor classifiers
- information criterion
- data mining
- error estimates
- leave one out cross validation
- regularization parameter
- supervised learning
- training data