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High‐tech valuation: should artificial neural networks bypass the human valuer?

High‐tech valuation: should artificial neural networks bypass the human valuer? Compares the predictive performance of artificial neural networks to hedonic pricing models, a more traditional valuation tool. The results document similar predictive performance evidenced from both techniques, which contradicts some of the earlier studies which support a position of artificial neural network superiority. Demonstrates that at least 18 per cent of the “normal” property predictions and over 70 per cent of the “outlier” property predictions contained valuation errors greater than 15 per cent of the actual sales price. The combination of these substantial errors and the model‐optimization costs incurred motivate a message of caution before artificial neural networks are adopted by the real estate valuation and/or lending industries. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Property Valuation and Investment Emerald Publishing

High‐tech valuation: should artificial neural networks bypass the human valuer?

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Publisher
Emerald Publishing
Copyright
Copyright © 1997 MCB UP Ltd. All rights reserved.
ISSN
0960-2712
DOI
10.1108/14635789710163775
Publisher site
See Article on Publisher Site

Abstract

Compares the predictive performance of artificial neural networks to hedonic pricing models, a more traditional valuation tool. The results document similar predictive performance evidenced from both techniques, which contradicts some of the earlier studies which support a position of artificial neural network superiority. Demonstrates that at least 18 per cent of the “normal” property predictions and over 70 per cent of the “outlier” property predictions contained valuation errors greater than 15 per cent of the actual sales price. The combination of these substantial errors and the model‐optimization costs incurred motivate a message of caution before artificial neural networks are adopted by the real estate valuation and/or lending industries.

Journal

Journal of Property Valuation and InvestmentEmerald Publishing

Published: Mar 1, 1997

Keywords: Appraisals; Methods of valuation; Models; Neural networks; Property

References