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ITLS Working Papers 2013
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Evaluating and improving software for identifying trips, occupancy, mode and purpose from GPS traces.
Published 2013-11-01Over the past several years, the Institute of Transport and Logistics Studies at the University of Sydney has been developing software to process GPS traces and impute the trip ends, modes of travel, occupancy, and trip ...Open AccessWorking Paper -
Demand for taxi services: New elasticity evidence for a neglected mode
Published 2013-10-01This paper investigates the factors that influence the choice of, and hence demand for taxis services, a relatively neglected mode in the urban travel task. Given the importance of positioning preferences for taxi services ...Open AccessWorking Paper -
Interpreting discrete choice models based on best-worst data: A matter of framing
Published 2013-11-01Best worst choice response tasks have become increasingly popular as a means of increasing the amount of information captured from respondents undertaking stated preference experiments. In analysis, best worst data is often ...Open AccessWorking Paper -
Confidence intervals of willingness-‐to-‐pay for random coefficient logit models
Published 2013-01-01Random coefficient logit (RCL) models containing random parameters are increasingly used for modelling travel choices. Willingness-to-pay (WTP) measures, such as the value of travel time savings (VTTS) are, in the case of ...Open AccessWorking Paper -
Comparing two processing routines for GPS traces: Lessons learnt
Published 2013-09-01This paper describes what may be one of the first side-by-side tests of two alternative software products for processing GPS traces into trips, and discusses some lessons learnt from the comparisons. For GPS to be useful ...Open AccessWorking Paper