Imputation methods for high-dimensional mixed-type datasets by nearest neighbors.
Shahla FaisalGerhard TutzPublished in: Comput. Biol. Medicine (2021)
Keyphrases
- nearest neighbor
- high dimensional
- high dimensional datasets
- k nearest neighbor
- high dimensional spaces
- data points
- nearest neighbor search
- imputation methods
- knn
- data imputation
- missing values
- high dimensional data
- low dimensional
- distance function
- dimensionality reduction
- database
- high dimensionality
- data sets
- missing data
- training set
- neural network
- categorical attributes
- multi dimensional
- index structure
- feature space
- k nearest neighbour
- similarity measure
- missing data imputation