To cite package 'OPSR' in publications use:
Heimgartner D, Wang X (2025). “OPSR: A package for estimating ordered probit switching regression models in R.” Arbeitsbericht Verkehrs- und Raumplanung 1907, IVT, ETH Zurich. doi:10.3929/ethz-b-000729641.
Wang X, Mokhtarian PL (2024). “Examining the treatment effect of teleworking on vehicle-miles driven: Applying an ordered probit selection model and incorporating the role of travel stress.” Transportation Research Part A, 186, 104072. doi:10.1016/j.tra.2024.104072.
Corresponding BibTeX entries:
@TechReport{, title = {OPSR: A package for estimating ordered probit switching regression models in R}, author = {Daniel Heimgartner and Xinyi Wang}, year = {2025}, institution = {IVT, ETH Zurich}, type = {Arbeitsbericht Verkehrs- und Raumplanung}, number = {1907}, doi = {10.3929/ethz-b-000729641}, }
@Article{, title = {Examining the treatment effect of teleworking on vehicle-miles driven: Applying an ordered probit selection model and incorporating the role of travel stress}, author = {Xinyi Wang and Patricia L. Mokhtarian}, journal = {Transportation Research Part A}, year = {2024}, volume = {186}, pages = {104072}, doi = {10.1016/j.tra.2024.104072}, }