Refereed Publications

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Refereed Publications 

 

2025

  • Lambert, P. and Kreyenfeld, M. (2025). Time-varying exogenous covariates with frequently changing values in double additive cure survival model: an application to fertility. Journal of the Royal Statistical Society: Series A. doi:10.1093/jrsssa/qnaf035 - R-package tvcure

2023-24

  • Doms, H., Lambert, P. and Legrand, C. (2024). Flexible joint model for time-to-event and non-Gaussian longitudinal outcomes. Statistical Methods in Medical Research, 33(10): 1783-1799. doi:10.1177/096228022412690
  • Lambert, P. and Gressani, O. (2023). Penalty parameter selection and asymmetry corrections to Laplace approximations in Bayesian P-splines models. Statistical Modelling, 23(5-6): 409–423. doi:10.1177/1471082X231181173 - R-package ordgam 
  • Lambert, P. (2023). Comments on: Nonparametric estimation in mixture cure models with covariates. Test, 32: 506-509. doi:10.1007/s11749-023-00860-3
  • Kreyenfeld, M., Konietzka, D., Lambert, P. and Ramos, .V (2023). Second birth fertility in Germany: social class, gender, and the role of economic uncertainty. European Journal of Population, 39:5. doi:10.1007/s10680-023-09656-5
  • Lambert, P. (2023). Nonparametric density estimation and risk quantification from tabulated sample moments. Insurance: Mathematics and Economics, 108: 177-189. doi:10.1016/j.insmatheco.2022.12.004 (Preprint) - R-package degross 

2021-22

  • Lambert, P. (2021). Fast Bayesian inference using Laplace approximations in nonparametric double additive location-scale models with right- and interval-censored data. Computational Statistics and Data Analysis, 161: 107250. doi:10.1016/j.csda.2021.107250 - R-package DALSM  
  • Gressani,O. and Lambert, P. (2021). Laplace approximation for fast Bayesian inference in generalized additive models based on P-splines. Computational Statistics and Data Analysis, 154: 107088. doi:10.1016/j.csda.2020.107088 - R-package blapsr 

2019-20

  • Lambert, P. and Bremhorst, V. (2020). Inclusion of time-varying covariates in cure survival models with an application in fertility studies. Journal of the Royal Statistical Society: Series A, 183(1): 333-354. doi:10.1111/rssa.12501 - R-code 
  • Lambert, P. and Bremhorst, V. (2019). Estimation and identification issues in the promotion time cure model when the same covariates influence long- and short-term survival. Biometrical Journal, 61(2): 275-279. doi:10.1002/bimj.201700250 - R-code 
  • Bremhorst, V., Kreyenfeld M. and Lambert P. (2019). Nonparametric double additive cure survival models: an application to the estimation of the nonlinear effect of age at first parenthood on fertility progression. Statistical Modelling, 19(3): 248-275.  doi:10.1177/1471082X18784685 - R-code 

2017-18

  • Gressani, O. and Lambert P. (2018). Fast Bayesian inference using Laplace approximations in a flexible promotion time cure model based on P-splines. Computational Statistics and Data Analysis, 124: 151-167. doi:10.1016/j.csda.2018.02.007 - R-package blapsr 

2016

  • Frasso, G. and Lambert, P. (2016). Bayesian inference in an extended SEIR model with nonparametric disease transmission rate: an application to the Ebola epidemic in Sierra Leone. Biostatistics, 17(4): 779-792. doi:10.1093/biostatistics/kxw027
  • Bremhorst, V., Kreyenfeld M. and Lambert P. (2016). Fertility progression in Germany: an analysis using flexible nonparametric cure survival models. Demographic Research, 35: 505-534. doi:10.4054/DemRes.2016.35.18. - R-code 
  • Çetinyürek, A. and Lambert, P. (2016). Semiparametric frailty model for clustered interval-censored data. Statistical Modelling, 16(5): 360-391.  doi:10.1177/1471082X16655631 - http://orbi.ulg.ac.be/handle/2268/163192
  • Jaspers, S., Lambert, P. and Aerts, M. (2016). A Bayesian approach to the semi-parametric estimation of a minimum inhibitory concentration distribution. Annals of Applied Statistics, 10(2): 906-924. doi:10.1214/16-AOAS918
  • Bremhorst, V. and Lambert, P.  (2016). Flexible estimation in cure survival models using Bayesian P-splines. Computational Statistics and Data Analysis, 93: 270-284.  doi:10.1016/j.csda.2014.05.009 -  http://hdl.handle.net/2268/167542
  • Frasso, G., Jaeger, J. and Lambert, P. (2016). Inference in dynamic systems using B-splines and quasilinearized ODE penalties. Biometrical Journal, 58(3): 691-714. doi:10.1002/bimj.201500082 - http://hdl.handle.net/2268/191883 - R-code 
  • Frasso, G., Jaeger, J. and Lambert, P. (2016). Parameter estimation and inference in dynamic systems described by linear partial differential equations. Advances in Statistical Analysis (AStA), 100(3): 259–287. doi:10.1007/s10182-015-0257-5 - http://hdl.handle.net/2268/188416

2015

  • Rosas-Aguirre, A.M., Erhart, A., Llanos-Cuentas, A., Branch, O., Berkvens, D., Abatih, E., Lambert, P.  Frasso, G., Rodriguez, H., Gamboa, D., Sihuincha, M., Rosanas-Urgell, A., D´Alessandro, U. and Speybroeck, N. (2015). Modelling the potential of focal screening and treatment as elimination strategy for Plasmodium falciparum malaria in the Peruvian Amazon Region. Parasites & Vectors, 8: 261. doi:10.1186/s13071-015-0868-4 - http://hdl.handle.net/2268/191967
  • Donneau, A.F., Mauer M., Lambert, P.  Lesaffre E., Albert, A. (2015). Testing the proportional odds assumption in multiply imputed ordinal longitudinal data. Journal of  Applied Statistics, 42: 2257-2279.  doi: 10.1080/02664763.2015.1023704 - http://hdl.handle.net/2268/179868
  • Donneau, A.F., Mauer M., Lambert, P.  Molenberghs, G. and Albert, A. (2015). Simulation-based study comparing multiple imputation methods for non-monotone missing ordinal data in longitudinal settings. Journal of Biopharmaceutical Statistics, 25: 570-601.  doi:10.1080/10543406.2014.920864 - http://hdl.handle.net/2268/159590

2014

  • Lambert, P. (2014). Spline approximation to conditional Archimedean copula. Stat (Wiley), 3: 200-217. doi:10.1002/sta4.55 - http://hdl.handle.net/2268/168352 - ArXiv:1311.3888.
  • Jaeger, J. and Lambert, P. (2014). Bayesian penalized smoothing approaches in models specified using affine differential equations with unknown error distributions. Journal of Applied Statistics, 41 (12): 2709-2726. doi:10.1080/02664763.2014.927839 - http://hdl.handle.net/2268/149799

2013

  • Lebrun, P., Boulanger, B., Debrus, B. and Lambert, P. (2013). A Bayesian design space for analytical methods based on multivariate models and predictions. Journal of Biopharmaceutical Statistics, 23: 1330-1351. doi:10.1080/10543406.2013.834922 - http://hdl.handle.net/2268/128222
  • Jaeger, J. and Lambert, P.  (2013). Bayesian P-spline estimation in hierarchical models specified by systems of affine differential equations. Statistical Modelling, 13: 3-40. doi:10.1177/1471082X12471371 - http://hdl.handle.net/2268/143753.
  • Lambert, P.  (2013). Nonparametric additive location-scale models for interval censored data. Statistics and Computing, 23: 75-90. doi:10.1007/s11222-011-9292-6 - http://hdl.handle.net/2268/101857

2012

  • Sanchez, X., Lambert, P.  and Llewellyn, D.J. (2012). Efficacy of pre-ascent climbing route visual inspection in indoor sport climbing. Scandinavian Journal of Medicine and Science in Sport, 22: 67-72. doi:10.1111/j.1600-0838.2010.01151.x - http://hdl.handle.net/2268/62516
  • Lambert, P., Laurent S. and Veredas, D. (2012). Testing conditional asymmetry: a residual-based approach. Journal of Economic Dynamics and Control, 36: 1229-1247. doi:10.1016/j.jedc.2012.03.009 - http://hdl.handle.net/2268/123501.

2011

  • Lambert, P. (2011). Comments on: Inference in multivariate Archimedean copulas models. Test, 20: 284-286. doi:10.1007/s11749-011-0256-0 - http://hdl.handle.net/2268/113175
  • Lambert, P., S. Perelman, P. Pestieau and J. Schoenmaeckers (2011). Health insurance coverage and adverse selection. In: A. Börsch-Supan, M. Brandt, K. Hank and M. Schröder (eds) - The Individual and the Welfare State. Life histories in Europe. Springer: Heidelberg. doi:10.1007/978-3-642-17472-8_20 - http://hdl.handle.net/2268/101863
  • Çetinyürek, A. and Lambert, P. (2011). Smooth estimation of survival functions and hazard ratios from interval-censored data using Bayesian penalized B-splines. Statistics in Medicine, 30: 75-90.  doi:10.1002/sim.4081 - http://hdl.handle.net/2268/69424.
  • Lambert, P.  (2011). Smooth semi- and nonparametric Bayesian estimation of bivariate densities from bivariate histogram data. Computational Statistics and Data Analysis, 55: 429-445. doi:10.1016/j.csda.2010.05.011 - http://hdl.handle.net/2268/69417

2009

  • Lambert, P. and Eilers, P.H.C. (2009). Bayesian density estimation from grouped continuous data. Computational Statistics and Data Analysis, 53: 1388-1399. doi:10.1016/j.csda.2008.11.022 - http://hdl.handle.net/2268/24258
  • Jullion, A., Lambert, P., Beck, B. and F. Vandenhende (2009). Pharmacokinetic parameters estimation using adaptive Bayesian P-splines models. Pharmaceutical Statistics, 8: 98-112. doi:10.1002/pst.336 - http://hdl.handle.net/2268/24451

2008

  • George, F.,  Daniaux, C., Génicot, G., Verhaege, B., Lambert, P. and Donnay, I. (2008). Set up of a serum-free culture system for bovine embryos: embryo development and quality before and after transient transfer. Theriogenology, 69: 612-623. doi:10.1016/j.theriogenology.2007.11.008 - http://hdl.handle.net/2268/24431

2007

  • Lambert, P. (2007). Archimedean copula estimation using Bayesian splines smoothing techniques. Computational Statistics and Data Analysis, 51: 6307-6320. doi:10.1016/j.csda.2007.01.018 - http://hdl.handle.net/2268/24278
  • Spinewine, A., Swine, C., Dhillon, S., Lambert, P., Nachega, J., Wilmotte, L. and Tulkens, P.M. (2007). Effect of a collaborative approach on the quality of prescribing for geriatric inpatients: a randomized controlled trial. Journal of the American Geriatrics Society, 55: 658-665. doi:10.1111/j.1532-5415.2007.01132.x - http://hdl.handle.net/2268/24529
  • Jullion, A. and Lambert, P. (2007). Robust specification of the roughness penalty prior distribution in spatially adaptive Bayesian P-splines models. Computational Statistics and Data Analysis, 51: 2542-2558. doi:10.1016/j.csda.2006.09.027 - http://hdl.handle.net/2268/24438
  • Bolancé, C., Denuit, M., Guillén, M. and Lambert, P. (2007). Greatest accuracy credibility with dynamic heterogeneity: the Harvey-Fernandes model. Belgian Actuarial Bulletin, 7(1), 14-18. http://hdl.handle.net/2268/167579
  • Bugli, C. and Lambert, P. (2007). Comparison between principal component analysis and independent component analysis in EEG modelling. Biometrical Journal, 49: 312-327. doi:10.1002/bimj.200510285 - http://hdl.handle.net/2268/24445

2006

  • Eyers L., Smoot J.C., Smoot L.M., Bugli C., Urakawa H., McMurry Z., Siripong S., El Fantroussi S., Lambert, P., Agathos S.N. and Stahl D.A. (2006). Discrimination of shifts in a soil microbial community assosciated with TNT-contamination using a functional ANOVA of 16S rRNA hybridized to oligonucleotide microarrays. Environmental Science & Technology, 40: 5867-5873. doi:10.1021/es0609093 - http://hdl.handle.net/2268/24453
  • Bugli, C. and Lambert, P. (2006). Functional ANOVA with random functional effects: an application to event-related potentials modelling for electroencephalograms analysis. Statistics in Medicine, 25: 3718-3739. doi:10.1002/sim.2464 - http://hdl.handle.net/2268/24455

2005

  • Lambert, P. and Eilers, P.H.C. (2005). Bayesian proportional hazards model with time varying regression coefficients: a penalized Poisson regression approach. Statistics in Medicine, 24: 3977-3989. doi:10.1002/sim.2396 - http://hdl.handle.net/2268/24460
  • Daubioul, C.A., Horsmans, Y., Lambert, P., Danse, E. and Delzenne, N.M. (2005). Effects of oligofructose on glucose and lipid metabolism in patients with nonalcoholic steatohepatitis : results of a pilot study. European Journal of Clinical Nutrition, 59: 723-726. doi:10.1038/sj.ejcn.1602127 - http://hdl.handle.net/2268/24506
  • Vandenhende, F. and Lambert, P. (2005). Local dependence estimation using semi-parametric Archimedean copulas. Canadian Journal of Statistics, 33: 377-388. doi:10.1002/cjs.5540330305 - http://hdl.handle.net/2268/24473
  • Denuit, M. and Lambert, P. (2005). Constraints on concordance measures in bivariate discrete data. Journal of Multivariate Analysis, 93: 40-57. doi:10.1016/j.jmva.2004.01.004 - http://hdl.handle.net/2268/24488

2004

  • Lambert, P., Collett, D., Kimber, A. and Johnson, R. (2004). Parametric accelerated failure time models with random effects and an application to kidney transplant survival. Statistics in Medicine, 23: 3177-3192. doi:10.1002/sim.1876 - http://hdl.handle.net/2268/24489

2003

  • Cebrian, A., Denuit, M. and Lambert, P. (2003). Analysis of bivariate tail dependence using extreme values copulas: An application to the SOA medical large claims database. Belgian Actuarial Bulletin, volume 3. http://hdl.handle.net/2268/24500

  • Vandenhende, F., Lambert, P. and Ramadan, N. (2003). Statistical models for the analysis of controlled trials on acute migraine. Pharmaceutical Statistics, 2: 199-210. doi:10.1002/pst.61 - http://hdl.handle.net/2268/24504
  • Cebrian, A.C., Denuit, M. and Lambert, P. (2003). Generalized Pareto fit to the Society of Actuaries large claims database. North American Actuarial Journal: 18-36. http://hdl.handle.net/2268/24512
  • Vandenhende, F. and Lambert, P. (2003). Improved rank-based dependence measures for categorical data. Statistics and Probability Letters, 63: 157-163. doi:10.1016/S0167-7152(03)00063-4 - http://hdl.handle.net/2268/24513

2002

  • Vandenhende, F. and Lambert, P. (2002). On the joint analysis of longitudinal responses and early discontinuation in randomized trials. Journal of Biopharmaceutical Statistics, 12: 425-440. doi:10.1081/BIP-120016228 - http://hdl.handle.net/2268/24514
  • Lambert, P. and Vandenhende, F. (2002). A copula based model for multivariate non normal longitudinal data: analysis of a dose titration safety study on a new antidepressant. Statistics in Medicine, 21: 3197-3217. http://dx.doi.org/10.1002/sim.1249 - http://hdl.handle.net/2268/24515
  • Lambert, P. (2002). A mixture model to assess the effect of a hormonal stimulation on the development of follicles in prepubertal heifers. Applied Statistics, 51, Part 4: 405-420. doi:10.1111/1467-9876.00277 - http://hdl.handle.net/2268/24516

2001

  • Denuit, M. and Lambert, P. (2001). Smoothed nonparametric maximum likelihood estimation of the risk distribution underlying bonus-malus systems. Proceedings of the Casualty Actuarial Society, vol. LXXXVIII, Part 2, No. 169: 142-174. http://hdl.handle.net/2268/24517
  • Kaidi, S., Bernard, S., Lambert, P.  Massip, A. and Donnay, I. (2001). Effect of conventional controlled-rate freezing and vitrification on quality of bovine blasotcysts produced in vitro. Biology of Reproduction, 65: 1127-1134. doi:10.1095/biolreprod65.4.1127 - http://hdl.handle.net/2268/24518

2000

  • Kaidi, S., Donnay, I., Lambert, P.  Dessy, F. and Massip, P. (2000). Osmotic behaviour of in vitro produced bovine blastocysts in cryoprotectant solutions as a potential predictive test of survival. Cryobiology, 41: 106-115. doi:10.1006/cryo.2000.2272 - http://hdl.handle.net/2268/24519

1999

  • Lambert, P. and Lindsey, J.K. (1999). Analysing financial returns using  regression models based on non-symmetric stable distributions.  Applied Statistics, 48: 409-424. doi:10.1111/1467-9876.00161 - http://hdl.handle.net/2268/24520 - R-package stable 
  • Votion, D., Vandenput, S., Duvivier, D.H., Lambert, P. , Art, T. and Lekeux, P. (1999). Alveolar clearance in chronic obstructive pulmonary disease affected horses. American Journal of Veterinary Research, 60: 495-500. http://hdl.handle.net/2268/8497

1998

  • Lindsey, J.K and  Lambert, P. (1998). On the appropriateness of marginal models for repeated measurements in clinical trials. Statistics in Medicine, 17: 447-469. http://hdl.handle.net/2268/24521
  • Votion, D., Vandenput, S., Duvivier, D.H., Lambert, P. , Art, T. and Lekeux, P. (1998). Scintigraphical evaluation of alveolar clearance in horses. The Veterinary Journal, 156: 51-56. doi:10.1016/S1090-0233(98)80061-0 - http://hdl.handle.net/2268/4428

1997

  • Lambert, P.  (1997). Predictions in overdispersed series of counts using an approximate predictive likelihood. Journal of Forecasting, 16: 195-207. http://hdl.handle.net/2268/24523

1996

  • Lambert, P.  (1996) Modelling irregularly sampled profiles of nonnegative dog triglyceride responses under different distributional assumptions. Statistics in Medicine, 15: 1695-1708. http://hdl.handle.net/2268/24287
  • Lambert, P.  (1996). Modelling of non-linear growth curves on series of correlated count data measured at unequally spaced times: a full likelihood based approach. Biometrics, 52: 50-55. doi:10.2307/2533143 - http://hdl.handle.net/2268/24525
  • Lambert, P.  (1996). Modelling of repeated series of count data measured at unequally spaced times. Applied Statistics, 45: 31-38. doi:10.2307/2986220 - http://hdl.handle.net/2268/24526

1995

  • Lindsey, J.K. and Lambert, P.  (1995). Dynamic generalized linear models and repeated measurements. Journal of Statistical Planning and Inference, 47: 129-139. httdoi:10.1016/0378-3758(94)00126-G - http://hdl.handle.net/2268/24527
  • Génicot, B., Lambert, P. , Votion, D., Close, R., Lindsey, J.K., Lekeux, P.(1995). Ability of bronchodilators to prevent bovine experimental respiratory distress. Veterinary Research, 26: 276-283. http://hdl.handle.net/2268/64830
  • Génicot, B., Lapp, K., Close, R., Lindsey, J.K., Lambert, P., Lekeux, P. (1995). Physical properties of particles of ipratropium and clenbuterol generated by equipment suitable for the inhalation of drugs by calves.  Research in Veterinary Science, 59: 164-167. doi:10.1016/0034-5288(95)90053-5 - http://hdl.handle.net/2268/64868

1994

  • Génicot, B., Lapp, K., Close, R., Lindsey, J.K., Lambert, P., Lekeux, P. (1994). Physical properties of drug particles generated, under different high working pressures, by equipment for delivering atomized drug in calves. Pflügers Archiv European Journal of Physiology, 427: (3-4) R63-R63.
  • Génicot, B., Peckova, M., Close, R., Lindsey, J.K., Lambert, P.  Lekeux, P. (1994). Technical study of some major parameters influencing the performances of an aerosol delivery equipment suitable for calves. Veterinary Research, 25 (5), 468-477.

1993

  • Génicot, B., Mouligneau, F., Lindsey, J.K.,  Lambert, P., Close, R., Lekeux, P. (1993). Induction of a Serotonin-S2 receptor blockade during early or late stage of acute respiratory distress syndrome in double-muscled calves : a comparative study. Journal of Veterinary Medicine A, 40, 241-248.
  • Génicot, B., Mouligneau, F., Lindsey, J.K.,Lambert, P., Close, R., Lekeux, P. (1993). Efficiency of 5-Hydroxytryptamine receptor blockade as therapeutic measure during acute respiratory distress syndrome in double-muscled cattle. Journal of Veterinary Medicine A, 40, 185-193.