Works by Schmidt, Alexandra M

Results: 46

Extended Bayesian endemic–epidemic models to incorporate mobility data into COVID‐19 forecasting.

Published in:

Canadian Journal of Statistics, 2022, v. 50, n. 3, p. 713, doi. 10.1002/cjs.11723

By:

Douwes‐Schultz, Dirk;
Sun, Shuo;
Schmidt, Alexandra M.;
Moodie, Erica E. M.

Publication type:

Article

A Joint Temporal Model for Hospitalizations and ICU Admissions Due to COVID‐19 in Quebec.

Published in:

Stat, 2024, v. 13, n. 3, p. 1, doi. 10.1002/sta4.70000

By:

Carmona‐Baez, Mariana;
Schmidt, Alexandra M.;
Golchi, Shirin;
Buckeridge, David

Publication type:

Article

Socioeconomic factors and bacillary dysentery risk in Jiangsu Province, China: a spatial investigation using Bayesian hierarchical models.

Published in:

International Journal of Environmental Health Research, 2022, v. 32, n. 1, p. 220, doi. 10.1080/09603123.2020.1746745

By:

Li, Sabrina;
Schmidt, Alexandra M.;
Elliott, Susan J.

Publication type:

Article

Fluoroquinolone Use and Seasonal Patterns of Ciprofloxacin Resistance in Community-Acquired Urinary Escherichia coli Infection in a Large Urban Center.

Published in:

American Journal of Epidemiology, 2020, v. 189, n. 3, p. 215, doi. 10.1093/aje/kwz239

By:

Soucy, Jean-Paul R;
Schmidt, Alexandra M;
Quach, Caroline;
Buckeridge, David L

Publication type:

Article

An Area-Level Indicator of Latent Soda Demand: Spatial Statistical Modeling of Grocery Store Transaction Data to Characterize the Nutritional Landscape in Montreal, Canada.

Published in:

American Journal of Epidemiology, 2019, v. 188, n. 9, p. 1713, doi. 10.1093/aje/kwz115

By:

Mamiya, Hiroshi;
Schmidt, Alexandra M;
Moodie, Erica E M;
Ma, Yu;
Buckeridge, David L

Publication type:

Article

Estimating the lagged effect of price discounting: a time-series study on sugar sweetened beverage purchasing in a supermarket.

Published in:

BMC Public Health, 2022, v. 22, n. 1, p. 1, doi. 10.1186/s12889-022-13928-w

By:

Mamiya, Hiroshi;
Schmidt, Alexandra M.;
Moodie, Erica E. M.;
Buckeridge, David L.

Publication type:

Article

Revisiting distributed lag models through a Bayesian perspective.

Published in:

Applied Stochastic Models in Business & Industry, 2006, v. 22, n. 2, p. 193, doi. 10.1002/asmb.628

By:

Ravines, Romy R.;
Schmidt, Alexandra M.;
Migon, Helio S.

Publication type:

Article

Bayesian inference for non-stationary spatial covariance structure via spatial deformations.

Published in:

Journal of the Royal Statistical Society: Series B (Statistical Methodology), 2003, v. 65, n. 3, p. 743, doi. 10.1111/1467-9868.00413

By:

Schmidt, Alexandra M.;
O'Hagan, Anthony

Publication type:

Article

A Hierarchical Mixture Beta Dynamic Model of School Performance in the Brazilian Mathematical Olympiads for Public Schools.

Published in:

Chilean Journal of Statistics (ChJS), 2017, v. 8, n. 1, p. 3

By:

Schmidt, Alexandra M.;
de Moraes, Caroline P.;
Migon, Helio S.

Publication type:

Article

Spatio-temporal modelling of the first Chikungunya epidemic in an intra-urban setting: The role of socioeconomic status, environment and temperature.

Published in:

PLoS Neglected Tropical Diseases, 2021, v. 15, n. 6, p. 1, doi. 10.1371/journal.pntd.0009537

By:

Freitas, Laís Picinini;
Schmidt, Alexandra M.;
Cossich, William;
Cruz, Oswaldo Gonçalves;
Carvalho, Marilia Sá

Publication type:

Article

A Bayesian non‐stationary heteroskedastic time series model for multivariate critical care data.

Published in:

Statistics in Medicine, 2024, v. 43, n. 20, p. 3958, doi. 10.1002/sim.10154

By:

Omar, Zayd;
Stephens, David A.;
Schmidt, Alexandra M.;
Buckeridge, David L.

Publication type:

Article

Bayesian estimation of the average treatment effect on the treated using inverse weighting.

Published in:

2019

By:

Capistrano, Estelina S. M.;
Moodie, Erica E. M.;
Schmidt, Alexandra M.

Publication type:

journal article

Modeling temporally misaligned data across space: The case of total pollen concentration in Toronto.

Published in:

Environmetrics, 2023, v. 34, n. 8, p. 1, doi. 10.1002/env.2820

By:

Zapata‐Marin, Sara;
Schmidt, Alexandra M.;
Weichenthal, Scott;
Lavigne, Eric

Publication type:

Article

Discussion on "A combined estimate of global temperature".

Published in:

Environmetrics, 2022, v. 33, n. 3, p. 1, doi. 10.1002/env.2720

By:

Schmidt, Alexandra M.;
Rodríguez, Marco A.

Publication type:

Article

Spatiotemporal models for skewed processes.

Published in:

Environmetrics, 2017, v. 28, n. 6, p. n/a, doi. 10.1002/env.2411

By:

Schmidt, Alexandra M.;
Gonçalves, Kelly C. M.;
Velozo, Patrícia L.

Publication type:

Article

Authors' rejoinder to the discussion comments of Genton and Hering, and Huerta and Stroud.

Published in:

Environmetrics, 2017, v. 28, n. 6, p. n/a, doi. 10.1002/env.2452

By:

Schmidt, Alexandra M.;
Gonçalves, Kelly C. M.;
L. Velozo, Patrícia

Publication type:

Article

Considering covariates in the covariance structure of spatial processes.

Published in:

Environmetrics, 2011, v. 22, n. 4, p. 487, doi. 10.1002/env.1101

By:

Schmidt, Alexandra M.;
Guttorp, Peter;
O'Hagan, Anthony

Publication type:

Article

Stochastic search algorithms for optimal design of monitoring networks.

Published in:

Environmetrics, 2010, v. 21, n. 1, p. 102, doi. 10.1002/env.989

By:

Ruiz-Cárdenas, Ramiro;
Ferreira, Marco A. R.;
Schmidt, Alexandra M.

Publication type:

Article

Spatio-temporal models for mapping the incidence of malaria in Par.

Published in:

Environmetrics, 2005, v. 16, n. 3, p. 291, doi. 10.1002/env.704

By:

Aline A. Nobre;
Alexandra M. Schmidt;
Hedibert F. Lopes

Publication type:

Article

The impact of directly observed therapy on the efficacy of Tuberculosis treatment: a Bayesian multilevel approach.

Published in:

Journal of the Royal Statistical Society: Series C (Applied Statistics), 2023, v. 72, n. 4, p. 889, doi. 10.1093/jrsssc/qlad034

By:

Nobre, Widemberg S;
Schmidt, Alexandra M;
Moodie, Erica E M;
Stephens, David A

Publication type:

Article

Dynamical non-Gaussian modelling of spatial processes.

Published in:

Journal of the Royal Statistical Society: Series C (Applied Statistics), 2023, v. 72, n. 1, p. 76, doi. 10.1093/jrsssc/qlac007

By:

Fonseca, Thaís C O;
Lobo, Viviana G R;
Schmidt, Alexandra M

Publication type:

Article

Zero‐state coupled Markov switching count models for spatio‐temporal infectious disease spread.

Published in:

Journal of the Royal Statistical Society: Series C (Applied Statistics), 2022, v. 71, n. 3, p. 589, doi. 10.1111/rssc.12547

By:

Douwes‐Schultz, Dirk;
Schmidt, Alexandra M.

Publication type:

Article

Accounting for spatially varying directional effects in spatial covariance structures.

Published in:

Journal of the Royal Statistical Society: Series C (Applied Statistics), 2014, v. 63, n. 1, p. 103, doi. 10.1111/rssc.12027

By:

Neto, Joaquim Henriques Vianna;
Schmidt, Alexandra M.;
Guttorp, Peter

Publication type:

Article

Modelling species diversity through species level hierarchical modelling.

Published in:

Journal of the Royal Statistical Society: Series C (Applied Statistics), 2005, v. 54, n. 1, p. 1, doi. 10.1111/j.1467-9876.2005.00466.x

By:

Gelfand, Alan E.;
Schmidt, Alexandra M.;
Wu, Shanshan;
Silander, John A.;
Latimer, Andrew;
Rebelo, Anthony G.

Publication type:

Article

Investigating the sensitivity of Gaussian processes to the choice of their correlation function and prior specifications.

Published in:

Journal of Statistical Computation & Simulation, 2008, v. 78, n. 8, p. 681, doi. 10.1080/00949650701231983

By:

Schmidt, Alexandra M.;
Conceicao, Ma. de Fatima da G.;
Moreira, Guido A.

Publication type:

Article

Modelling zero-inflated spatio-temporal processes.

Published in:

Statistical Modelling: An International Journal, 2009, v. 9, n. 1, p. 3, doi. 10.1177/1471082X0800900102

By:

Fernandes, Marcus V. M.;
Schmidt, Alexandra M.;
Migon, Helio S.

Publication type:

Article

Covariance structure of spatial and spatiotemporal processes.

Published in:

WIREs: Computational Statistics, 2013, v. 5, n. 4, p. 279, doi. 10.1002/wics.1259

By:

Guttorp, Peter;
Schmidt, Alexandra M.

Publication type:

Article

Commentary: "How's It Going?" Training Experiences of Pediatric Postdoctoral Fellows During COVID-19.

Published in:

Journal of Pediatric Psychology, 2021, v. 46, n. 2, p. 144, doi. 10.1093/jpepsy/jsaa132

By:

Ghosh, Shweta;
David, Jennie G;
Amaro, Christina M;
Gaultney, Wendy M;
Schmidt, Alexandra M

Publication type:

Article

Discussion on "Spatial+: a novel approach to spatial confounding" by Emiko Dupont, Simon N. Wood, and Nicole H. Augustin.

Published in:

Biometrics, 2022, v. 78, n. 4, p. 1300, doi. 10.1111/biom.13654

By:

Schmidt, Alexandra M.

Publication type:

Article

Model-Based Prediction for Small Domains Using Covariates: A Comparison of Four Methods.

Published in:

Journal of Survey Statistics & Methodology, 2024, v. 12, n. 5, p. 1489, doi. 10.1093/jssam/smae032

By:

Michal, Victoire;
Wakefield, Jon;
Schmidt, Alexandra M;
Cavanaugh, Alicia;
Robinson, Brian E;
Baumgartner, Jill

Publication type:

Article

A nationwide joint spatial modelling of simultaneous epidemics of dengue, chikungunya, and Zika in Colombia.

Published in:

BMC Infectious Diseases, 2025, v. 25, n. 1, p. 1, doi. 10.1186/s12879-025-10782-0

By:

Picinini Freitas, Laís;
Carabali, Mabel;
Schmidt, Alexandra M.;
Salazar Flórez, Jorge Emilio;
Ávila Monsalve, Brayan;
García-Balaguera, César;
Restrepo, Berta N.;
Jaramillo-Ramirez, Gloria I.;
Zinszer, Kate

Publication type:

Article

Bayesian spatio-temporal models based on discrete convolutions.

Published in:

Canadian Journal of Statistics, 2008, v. 36, n. 2, p. 239, doi. 10.1002/cjs.5550360205

By:

Sans Ó, Bruno;
Schmidt, Alexandra M.;
Nobre, Aline A.

Publication type:

Article

Generating community measures of food purchasing activities using store-level electronic grocery transaction records: an ecological study in Montreal, Canada.

Published in:

2021

By:

Mamiya, Hiroshi;
Schmidt, Alexandra M;
Moodie, Erica EM;
Ma, Yu;
Buckeridge, David L

Publication type:

journal article

Estimating an individual-level deprivation index for HIV/HCV coinfected persons in Canada.

Published in:

PLoS ONE, 2021, v. 16, n. 4, p. 1, doi. 10.1371/journal.pone.0249836

By:

Palayew, Adam;
Schmidt, Alexandra M.;
Saeed, Sahar;
Cooper, Curtis L.;
Wong, Alexander;
Martel-Laferrière, Valérie;
Walmsley, Sharon;
Cox, Joseph;
Klein, Marina B.

Publication type:

Article

A Bayesian hierarchical model for disease mapping that accounts for scaling and heavy-tailed latent effects.

Published in:

Statistical Methods in Medical Research, 2025, v. 34, n. 2, p. 307, doi. 10.1177/09622802241293776

By:

Michal, Victoire;
Schmidt, Alexandra M;
Freitas, Laís Picinini;
Cruz, Oswaldo Gonçalves

Publication type:

Article

A Poisson-multinomial spatial model for simultaneous outbreaks with application to arboviral diseases.

Published in:

Statistical Methods in Medical Research, 2022, v. 31, n. 8, p. 1590, doi. 10.1177/09622802221102628

By:

Schmidt, Alexandra M.;
Freitas, Laís P.;
Cruz, Oswaldo G.;
Carvalho, Marilia S.

Publication type:

Article

Spatially Varying Autoregressive Processes.

Published in:

Technometrics, 2011, v. 53, n. 3, p. 310, doi. 10.1198/TECH.2011.10008

By:

Nobre, Aline A.;
Sansó, Bruno;
Schmidt, Alexandra M.

Publication type:

Article

A Bayesian coregionalization approach for multivariate pollutant data.

Published in:

Journal of Geophysical Research. Atmospheres, 2003, v. 108, n. D24, p. n/a, doi. 10.1029/2002JD002905

By:

Schmidt, Alexandra M.;
Gelfand, Alan E.

Publication type:

Article

On the Effects of Spatial Confounding in Hierarchical Models.

Published in:

International Statistical Review, 2021, v. 89, n. 2, p. 302, doi. 10.1111/insr.12407

By:

Nobre, Widemberg S.;
Schmidt, Alexandra M.;
Pereira, João B. M.

Publication type:

Article

Modelling Time Series of Counts in Epidemiology.

Published in:

International Statistical Review, 2011, v. 79, n. 1, p. 48, doi. 10.1111/j.1751-5823.2010.00123.x

By:

Schmidt, Alexandra M.;
Pereira, João Batista M.

Publication type:

Article

Price discounting as a hidden risk factor of energy drink consumption.

Published in:

Canadian Journal of Public Health, 2021, v. 112, n. 4, p. 638, doi. 10.17269/s41997-021-00479-7

By:

Mamiya, Hiroshi;
Moodie, Erica E. M.;
Schmidt, Alexandra M.;
Ma, Yu;
Buckeridge, David L.

Publication type:

Article

On‐Line Warning System for Pipe Burst Using Bayesian Dynamic Linear Models.

Published in:

Water Resources Research, 2023, v. 59, n. 4, p. 1, doi. 10.1029/2021WR031745

By:

Henriques‐Silva, Renato;
Duchesne, Sophie;
St‐Gelais, Nicolas Fortin;
Saran, Naysan;
Schmidt, Alexandra M.

Publication type:

Article

Spatial stochastic frontier models: accounting for unobserved local determinants of inefficiency.

Published in:

Journal of Productivity Analysis, 2009, v. 31, n. 2, p. 101, doi. 10.1007/s11123-008-0122-6

By:

Schmidt, Alexandra M.;
Moreira, Ajax R. B.;
Helfand, Steven M.;
Fonseca, Thais C. O.

Publication type:

Article

Bayesian modeling of dynamic behavioral change during an epidemic.

Published in:

Infectious Disease Modelling (2468-2152), 2023, v. 8, n. 4, p. 947, doi. 10.1016/j.idm.2023.08.002

By:

Ward, Caitlin;
Deardon, Rob;
Schmidt, Alexandra M.

Publication type:

Article

Zika emergence, persistence, and transmission rate in Colombia: a nationwide application of a space-time Markov switching model.

Published in:

Scientific Reports, 2024, v. 14, n. 1, p. 1, doi. 10.1038/s41598-024-59976-7

By:

Picinini Freitas, Laís;
Douwes-Schultz, Dirk;
Schmidt, Alexandra M.;
Ávila Monsalve, Brayan;
Salazar Flórez, Jorge Emilio;
García-Balaguera, César;
Restrepo, Berta N.;
Jaramillo-Ramirez, Gloria I.;
Carabali, Mabel;
Zinszer, Kate

Publication type:

Article

Spatial confounding in hurdle multilevel beta models: the case of the Brazilian Mathematical Olympics for Public Schools.

Published in:

Journal of the Royal Statistical Society: Series A (Statistics in Society), 2020, v. 183, n. 3, p. 1051, doi. 10.1111/rssa.12551

By:

Pereira, João B. M.;
Nobre, Widemberg S.;
Silva, Igor F. L.;
Schmidt, Alexandra M.

Publication type:

Article