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Showing 1 to 1 of 1 for “"k-nearest nighbors"”.
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Prediction Intervals: The Effects and Identification of Sparse Regions for Nonparametric Regression Methods
… using prediction intervals from quantile k-nearest neighbors and quantile random forest can be biased to low or too high from the nominal level under various situations of sparsity. We also introduce a test that can be used to see if a new data point lies in an area of sparse data so that …