To walk or not to walk? Examining non-linear effects of streetscape greenery on walking propensity of older adults

L Yang, Y Ao, J Ke, Y Lu, Y Liang - Journal of transport geography, 2021 - Elsevier
Population aging is a conspicuous demographic trend shaping the world profoundly.
Walking is a critical travel mode and physical activity for older adults. As such, there is a …

Time-varying and non-linear associations between metro ridership and the built environment

L Yang, B Yu, Y Liang, Y Lu, W Li - Tunnelling and Underground Space …, 2023 - Elsevier
The metro is the backbone of the transport system in many cities. Analyzing the built-
environment correlates of metro ridership is crucial for transit-oriented development (TOD) …

Examining non-linear built environment effects on elderly's walking: A random forest approach

L Cheng, J De Vos, P Zhao, M Yang, F Witlox - Transportation research part …, 2020 - Elsevier
Previous studies often assume a pre-specified relationship between walking and the built
environment. Using data from 702 older adults in Nanjing (China), this study employs a …

Threshold and moderating effects of land use on metro ridership in Shenzhen: Implications for TOD planning

Q Shao, W Zhang, X Cao, J Yang, J Yin - Journal of Transport Geography, 2020 - Elsevier
Although many studies investigate the association between land use and station ridership,
few examine their nonlinear and moderating relationships. Using metro smartcard data in …

Nonlinear and synergistic effects of TOD on urban vibrancy: Applying local explanations for gradient boosting decision tree

L Xiao, S Lo, J Liu, J Zhou, Q Li - Sustainable Cities and Society, 2021 - Elsevier
Urban vibrancy can facilitate human activities and social interactions, attract capital and
talent, enhance competitiveness and creativity, maintain resilience, and finally achieve a …

Impacts of building configurations on urban stormwater management at a block scale using XGBoost

S Zhou, Z Liu, M Wang, W Gan, Z Zhao, Z Wu - Sustainable Cities and …, 2022 - Elsevier
Urban pluvial flooding has become a threatening hazard to ecosystem and human lives in
recent years. Identifying its driving factors is essential for stormwater management. A …

Non-linear associations between built environment and active travel for working and shopping: An extreme gradient boosting approach

J Liu, B Wang, L Xiao - Journal of Transport Geography, 2021 - Elsevier
Active travel has environmental, social, and public health-related benefits. Researchers from
diverse domains have extensively studied built-environment associations with active travel …

Elaborating non-linear associations and synergies of subway access and land uses with urban vitality in Shenzhen

J Yang, J Cao, Y Zhou - Transportation Research Part A: Policy and …, 2021 - Elsevier
Previous studies on the built environment and urban vitality often assume that they follow a
pre-defined (mostly linear in parameters) relationship, and few studies substantiate whether …

Identifying key factors associated with ridesplitting adoption rate and modeling their nonlinear relationships

Y Xu, X Yan, X Liu, X Zhao - Transportation Research Part A: Policy and …, 2021 - Elsevier
Ridesharing is critical for promoting transportation sustainability. As a new form of
ridesharing services, ridesplitting has rarely been studied. Based on the Chicago …

Exploring nonlinear effects of the built environment on ridesplitting: Evidence from Chengdu

M Tu, W Li, O Orfila, Y Li, D Gruyer - Transportation Research Part D …, 2021 - Elsevier
Ridesplitting, a form of ridesourcing services that matches riders with similar routes to the
same driver, is a high occupancy travel mode that can bring considerable benefits. However …