Question

Indyk and Naor introduced embeddings that preserve this algorithm’s output for sets with a low doubling constant or low aspect ratio. A “condensed” version of this algorithm that uses prototypes to reduce the size of the dataset was developed by Peter Hart. (r1, r2, p1, p2)-sensitive families of functions were originally introduced to perform this algorithm using locality-sensitive hashing. Cover and Hart showed that the simplest version of this algorithm has error bounded by two times the Bayes error rate. Usage of a (*) k-d tree allows single queries in this algorithm to be computed in O(log n) time. When used for classification, this algorithm’s namesake parameter is often chosen to be odd to avoid ties. For 10 points, (10[1])distance-based or simple majority voting can be used in what classification algorithm that examines close samples to an input? ■END■ (0[4])

ANSWER: k-nearest neighbors [or k-NN or k-nearest neighbors classification or k-nearest neighbors regression; accept approximate k-nearest neighbors; accept condensed nearest neighbors; accept 1-NN]
<Science - Other Science - Math>
= Average correct buzz position

Back to tossups

Buzzes

PlayerTeamOpponentBuzz PositionValue
Ryan RosenbergCope is the thing with feathersWalston et. al.11710
Isaac Kirk-Davidoffjeff mcneil #1 morningside heights fan club12 Litres of Green Tea1370
Zaid Asif12 Litres of Green Teajeff mcneil #1 morningside heights fan club1370
Sky HongNJ TRANSit (and anwen i guess)just one more half-dot bro1370
David Bassjust one more half-dot broNJ TRANSit (and anwen i guess)1370

Summary

2024 ARGOS @ Stanford02/22/2025Y3100%0%67%135.00
2024 ARGOS @ Chicago11/23/2024Y5100%20%0%116.40
2024 ARGOS @ Columbia11/23/2024Y333%0%0%117.00
2024 ARGOS @ Christ's College12/14/2024Y30%0%67%0.00