Examining trip-level errors in passively collected mobile device data for data quality assurance

Peiqi Zhang, Kathleen Stewart and Aref Darzi

PLOS ONE, 2025, vol. 20, issue 4, 1-17

Abstract: Location-based service (LBS) data passively collected by mobile devices has been widely adopted in multiple fields for its advantages in revealing travel behaviors. Data quality assessments have always been important steps for analyses using the data, but the impact of trip-level errors has not been a focus of these assessments. We examine a newly emerged type of error present at trip-level in LBS datasets that violates the spatio-temporal consistency of such data by including trips on road segments where and when there should be no trips. We designed a distributed-computing workflow to quantify the errors by comparing the number of trips on closed road segments during road closures with time periods before and after. Using two real-world cases from 2023, we examined multiple datasets acquired from major vendors in the US, and several of the datasets contained a significant number of trip-level errors. These findings point to the errors being present in recent datasets that have not otherwise been processed for data quality and can significantly impact analyses by data users. Data users should consider conducting trip-level error data quality checks as part of their preprocessing steps.

Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0321970

DOI: 10.1371/journal.pone.0321970

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