A COMPARISON BETWEEN DIFFERENT METHODS OF ASSESSING THE IMPACT OF INPUT FEATURES IN FEEDFORWARD NEURAL NETWORKS USING GEOTECHNICAL DATABASE

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SHAFIEI ALI; GHATE R.

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Journal: Sharif Journal of Civil Engineering Year:2008 | Volume:24 | Issue:42 Page(s): 95-100

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Title

A COMPARISON BETWEEN DIFFERENT METHODS OF ASSESSING THE IMPACT OF INPUT FEATURES IN FEEDFORWARD NEURAL NETWORKS USING GEOTECHNICAL DATABASE

Author(s)

SHAFIEI ALI | GHATE R. | Issue Writer Certificate

Keywords

SENSITIVITY ANALYSISQ2

WEIGHT PRODUCT METHODQ3

COMPOSITE CLAYQ3

SHEAR MODULUSQ2

DAMPING RATIOQ2

Abstract

The back-propagation neural network (BPNN) has been researched and applied as a convenient tool in a variety of application areas in civil engineering. In particular, BPNN has been applied to many geotechnical engineering problems and has demonstrated some degree of success. A review of the literature reveals that BPNN has been used successfully in pile capacity prediction, modeling soil behavior and liquefaction, etc. However, learning algorithms, such as the BPNN, do not give information on the effect of each input parameter or influencing variable upon the predicted output variable. In other words, it is not possible to find out immediately how the weights of the network or the activation values of the hidden neurons are related to the set of data being handled. Instead, ANNs have been presented to the user as a kind of 'black box', who’s extremely complex work transforms inputs into predetermined outputs. To deal with this problem, during the last 10 years, different interpretative methods for analyzing the effect or importance of input variables on the output of a feed forward neural network have been proposed. In this paper, six methods that give the relative contribution of the input factors were compared. The data used for training the networks is based on the laboratory tests for determining the dynamic properties of aggregate-clay mixtures. Finally, the method which best interprets the networks is introduced.

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APA: Copy

SHAFIEI, ALI, & GHATE, R.. (2008). A COMPARISON BETWEEN DIFFERENT METHODS OF ASSESSING THE IMPACT OF INPUT FEATURES IN FEEDFORWARD NEURAL NETWORKS USING GEOTECHNICAL DATABASE. SHARIF: CIVIL ENINEERING, 24(42), 95-100. SID. https://sid.ir/paper/127989/en

Vancouver: Copy

SHAFIEI ALI, GHATE R.. A COMPARISON BETWEEN DIFFERENT METHODS OF ASSESSING THE IMPACT OF INPUT FEATURES IN FEEDFORWARD NEURAL NETWORKS USING GEOTECHNICAL DATABASE. SHARIF: CIVIL ENINEERING[Internet]. 2008;24(42):95-100. Available from: https://sid.ir/paper/127989/en

IEEE: Copy

ALI SHAFIEI, and R. GHATE, “A COMPARISON BETWEEN DIFFERENT METHODS OF ASSESSING THE IMPACT OF INPUT FEATURES IN FEEDFORWARD NEURAL NETWORKS USING GEOTECHNICAL DATABASE,” SHARIF: CIVIL ENINEERING, vol. 24, no. 42, pp. 95–100, 2008, [Online]. Available: https://sid.ir/paper/127989/en

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