The DOI matches its Crossref record; 56 of the 56 references it cites were found in a registry or an index.
Effects of Distance Measure Choice on K-Nearest Neighbor Classifier Performance: A Review
Open accessAbstract
The K-nearest neighbor (KNN) classifier is one of the simplest and most common classifiers, yet its performance competes with the most complex classifiers in the literature. The core of this classifier depends mainly on measuring the distance or similarity between the tested examples and the training examples. This raises a major question about which distance measures to be used for the KNN classifier among a large number of distance and similarity measures available? This review attempts to answer this question through evaluating the performance (measured by accuracy, precision, and recall) of the KNN using a large number of distance measures, tested on a number of real-world data sets, with and without adding different levels of noise. The experimental results show that the performance of KNN classifier depends significantly on the distance used, and the results showed large gaps between the performances of different distances. We found that a recently proposed nonconvex distance performed the best when applied on most data sets comparing with the other tested distances. In addition, the performance of the KNN with this top performing distance degraded only ∼20% while the noise level reaches 90%, this is true for most of the distances used as well. This means that the KNN classifier using any of the top 10 distances tolerates noise to a certain degree. Moreover, the results show that some distances are less affected by the added noise comparing with other distances.
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Metadata
- Authors
- Abu Alfeilat, H. A., Hassanat, A. B. A., Lasassmeh, O., Tarawneh, A. S., Alhasanat, M. B., Eyal Salman, H. S., & Prasath, V. B. S.
- Venue
- Big Data
- Publisher
- SAGE Publications
- Published
- 2019-12-01
- Volume
- 7
- Issue
- 4
- Pages
- 221-248
- ISSN
- 2167-6461 (ISSN-L)
- 2167-647X
- OpenAlex
- W3098996042
- Cited by
- 667
- References
- 56
- FWCI
- 26.82
- Type
- journal article
- Language
- en
- Open access
- green
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- Abu Alfeilat, H. A., Hassanat, A. B. A., Lasassmeh, O., Tarawneh, A. S., Alhasanat, M. B., Eyal Salman, H. S., & Prasath, V. B. S. (2019). Effects of Distance Measure Choice on K-Nearest Neighbor Classifier Performance: A Review. Big Data. https://doi.org/10.1089/big.2018.0175
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