CV

Education

• Ph.D in Statistics, University of Glasgow, 2025
• M.S. in Statistics, University of the Philippines, 2015
• B.S. in Statistics, University of the Philippines, 2013

Work experience

• 2013 – 2025: Teaching faculty
  • University of the Philippines Diliman
  • Duties includes: contribute in teaching, administrative, and extension work
• 2015 – 2016: Research Associate
  • 2015 Survey of Agrarian Reform Beneficiaries, a project commissioned by the Department of Agrarian Reform of the Executive Department of the Republic of the Philippines
  • Supervisor: Professor Erniel Barrios
• 2014 – 2015: Research Assistant
  • A Rapid Assessment of the Agriculture and Fisheries Modernization Act (AFMA) (Phase 1 Evaluation), a project under the Development Academy of the Philippines and commissioned by the Department of Agriculture of the Executive Department of the Republic of the Philippines
  • Supervisor: Professor Erniel Barrios
• 2012 – 2013: Research Assistant
  • Information Communication Technology (ICT) Industry Mapping Project, a project commissioned by the Department of Science and Technology - Information and Communications Technology Office, now the Department of Information and Communications Technology of the Executive Department of the Republic of the Philippines
  • Supervisor: Professor Erniel Barrios

Publications

Spatially continuous modelling of aggregated outcome data

Villejo, S.J., Diggle, P., Lindgren, F., Rue, H., Li, G., White, E., Wade, M. and Blangiardo, M., 2026. Spatially continuous modelling of aggregated outcome data. arXiv preprint arXiv:2604.15452.

Development of a clinical prediction model for the diagnosis of tuberculous pleural effusion in a resource-limited setting

Villanueva, C. A., Cruz, A. M., Cruz, K. M., Uy, T. C., Villejo, S. J., & Santiaguel, J. (2025). Development of a clinical prediction model for the diagnosis of tuberculous pleural effusion in a resource-limited setting. European Respiratory Journal, 66(Suppl 69), PA783. https://doi.org/10.1183/13993003.congress-2025.PA783

Linking climate and dengue in the Philippines using a two-stage Bayesian spatio-temporal model

Villejo, S. J., Martino, S., & Illian, J. (2025). Linking climate and dengue in the Philippines using a two-stage Bayesian spatio-temporal model. arXiv preprint arXiv:2506.22334.

A data fusion model for meteorological data using the INLA-SPDE method

Villejo, S. J., Martino, S., Lindgren, F., & Illian, J. B. (2025). A data fusion model for meteorological data using the INLA-SPDE method. Journal of the Royal Statistical Society Series C: Applied Statistics, 74(4), 1021-1056.

Validating uncertainty propagation approaches for two-stage Bayesian spatial models using simulation-based calibration

Villejo, S. J., Martino, S., Illian, J., Ryan, W., & Lindgren, F. (2025). Validating uncertainty propagation approaches for two-stage Bayesian spatial models using simulation-based calibration. arXiv preprint arXiv:2502.18962.

Gaussian process for modelling the space environment from sparse data collected by massively distributed femtosatellite networks

Teale, C., Colombo, P., Villejo, S. J., & McInnes, C. (2024, October 14–18). Gaussian process for modelling the space environment from sparse data collected by massively distributed femtosatellite networks [Conference presentation]. 75th International Astronautical Congress (IAC), Milan, Italy.

Data fusion in a two-stage spatio-temporal model using the INLA-SPDE approach

Villejo, S. J., Illian, J. B., & Swallow, B. (2023). Data fusion in a two-stage spatio-temporal model using the INLA-SPDE approach. Spatial Statistics, 54, 100744.

An Analysis of the Impact of ASEAN Logistics Performance on Trade Flows Using Linear and Non-linear methods in an Augmented Gravity Model

Sy, B., Villejo, S. J., & Lacazav, R. (2020). An analysis of the impact of ASEAN logistics performance on trade flows using linear and non-linear methods in an augmented gravity model. Logistics Research, 13(1), 1-22.

Robust estimation of a dynamic spatio-temporal model with structural change

Villejo, S. J. V., Barrios, E. B., & Lansangan, J. R. G. (2017). Robust estimation of a dynamic spatio-temporal model with structural change. Journal of Statistical Computation and Simulation, 87(3), 505-518.

Talks

Block aggregation modelling approach for spatial models

February 23, 2026

Talk at James Clerk Maxwell Building, University of Edinburgh, Scotland, UK

Validating uncertainty propagation approaches for two stage Bayesian spatial models using simulation-based calibration

October 03, 2025

Talk at Wolfson Lecture Theatre, University of Bath, UK

A data fusion model for meteorological data in the Philippines using the INLA-SPDE method

November 02, 2024

Talk at Annual General Meeting of the Environmental Statistics Section of the Royal Statistical Society, UK

Data fusion models for climate data in the Philippines using the INLA-SPDE approach

February 01, 2014

Talk at Department of Mathematical Sciences, Norwegian University of Science and Technology, Trondheim, Norway

Teaching

Imperial College London

University of Glasgow

University of the Philippines