For sparse data, discuss why considering only the presence of non-zero values might give a more accurate

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For sparse data, discuss why considering only the presence of non-zero values might give a more accurate view of the objects than considering the actual magnitudes of values. When would such an approach not be desirable?

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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 03:31 PM

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For sparse data, discuss why considering only the presence of non-zero values might give a more accurate

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Introduction to Data Mining

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