Show that the distance measure defined as the angle between two data vectors, x and y, satisfies

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Show that the distance measure defined as the angle between two data vectors, x and y, satisfies the metric axioms given on page 70. Specifically, d(x, y) = arccos(cos(x, y)).

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Introduction to Data Mining

ISBN: 978-0321321367

1st edition

Authors: Pang Ning Tan, Michael Steinbach, Vipin Kumar

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Question Posted: Apr 29, 2016 03:25 PM

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Show that the distance measure defined as the angle between two data vectors, x and y, satisfies

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Angles are in the range 0 to 180 o 1 a Because 0 cos x y 1 dx y 0 b Because cos x x 1 dx x arccos ...View the full answer

Introduction to Data Mining

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