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Imputation of missing data: Recursive 1D discrete KNN algorithm

version 1.0 (2.8 KB) by

imputeMatrixNaNKnn takes a matrix as an input and fills the NaN values with the closest available.



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This is a simple utility for imputation of missing data in a given matrix. Assuming that missing data is represented by NaN values. It uses a simple
linear search with recursion to find the k-nearest neighbour.

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MATLAB 7.14 (R2012a)

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