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Cited by 833

The DOI matches its Crossref record; 12 of the 12 references it cites were found in a registry or an index.

Discriminant adaptive nearest neighbor classification

Hastie, T., Tibshirani, R.·1996·IEEE Transactions on Pattern Analysis and Machine Intelligence

Abstract

Nearest neighbour classification expects the class conditional probabilities to be locally constant, and suffers from bias in high dimensions. We propose a locally adaptive form of nearest neighbour classification to try to ameliorate this curse of dimensionality. We use a local linear discriminant analysis to estimate an effective metric for computing neighbourhoods. We determine the local decision boundaries from centroid information, and then shrink neighbourhoods in directions orthogonal to these local decision boundaries, and elongate them parallel to the boundaries. Thereafter, any neighbourhood-based classifier can be employed, using the modified neighbourhoods. The posterior probabilities tend to be more homogeneous in the modified neighbourhoods. We also propose a method for global dimension reduction, that combines local dimension information. In a number of examples, the methods demonstrate the potential for substantial improvements over nearest neighbour classification.

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Metadata

Authors
Hastie, T., & Tibshirani, R.
Venue
IEEE Transactions on Pattern Analysis and Machine Intelligence
Published
1996-06
Volume
18
Issue
6
Pages
607-616
ISSN
0162-8828 (ISSN-L)
OpenAlex
W1545745930
Cited by
833
References
12
FWCI
16.23
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Discriminant adaptive nearest neighbor classification. https://app.cochat.ai/papers/10.1109/34.506411
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Hastie, T., & Tibshirani, R. (1996). Discriminant adaptive nearest neighbor classification. IEEE Transactions on Pattern Analysis and Machine Intelligence. https://doi.org/10.1109/34.506411

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