Transferability of Intercity Disaggregate Mode Choice Models in Canada

Transferability of Intercity Disaggregate Mode Choice Models in Canada
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Total Pages : 7
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ISBN-10 : OCLC:61467508
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Download or read book Transferability of Intercity Disaggregate Mode Choice Models in Canada written by and published by . This book was released on 1991 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: In many transportation studies, the time span of data collection, model development, and analysis is often too long to be responsive to the needs of policy analysts and decision makers. This problem is often exacerbated in situations with severely constrained anlaysis resources. Therefore, it is often useful to transfer a model from one area to another. Model transfer is deifned as the application of a model developed in one area to describe the corresponding behavior in another area. This paper examines the transferability of a class of models used in intercity travel demand analysis. Specifically, deisaggregate mode choice models of the multinomial logit type are developed for two regions in Canada, and some established measures of tranferability are applied to assess the potential of calibrating these models in one region and applying them in the other. comparison of mode choice models estimated on data sets from the two regions yielded inconclusive results regarding model transferability. In general, transferred models were found to be 18-23% less accurate than local models in predicting modal shares. Adjusting models; parameters to reflect observed modal shares in the application context improved the predictive ability of the models by about 10%.


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