Philippe Lambert

ORCID: 0000-0002-3670-3328
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About
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Research Areas
  • Statistical Methods and Inference
  • Statistical Methods and Bayesian Inference
  • Bayesian Methods and Mixture Models
  • Financial Risk and Volatility Modeling
  • Advanced Statistical Methods and Models
  • Statistical Methods in Clinical Trials
  • Psychoanalysis and Psychopathology Research
  • Insurance, Mortality, Demography, Risk Management
  • Optimal Experimental Design Methods
  • Complex Systems and Time Series Analysis
  • Advanced Causal Inference Techniques
  • Soil Geostatistics and Mapping
  • Cyclone Separators and Fluid Dynamics
  • Control Systems and Identification
  • Natural Language Processing Techniques
  • Reproductive Biology and Fertility
  • Electrolyte and hormonal disorders
  • Spectroscopy and Chemometric Analyses
  • Advanced Statistical Process Monitoring
  • Genetic and phenotypic traits in livestock
  • Statistical Distribution Estimation and Applications
  • Health Systems, Economic Evaluations, Quality of Life
  • Neurological and metabolic disorders
  • Renal Diseases and Glomerulopathies
  • Chronic Kidney Disease and Diabetes

University of Liège
2016-2025

UCLouvain
2015-2025

Centre Hospitalier Universitaire de Montpellier
2022

Université de Lorraine
2018-2021

Université Libre de Bruxelles
1947-2019

University of Ottawa
2019

Université de Montpellier
2011-2018

Queen Elisabeth Medical Foundation
1972-2015

Institut des Sciences Humaines et Sociales
1994-2014

Universitat Pompeu Fabra
2014

OBJECTIVES: To evaluate the effect of pharmaceutical care provided in addition to acute Geriatric Evaluation and Management (GEM) on appropriateness prescribing. DESIGN: Randomized, controlled trial, with patient as unit randomization. SETTING: Acute GEM unit. PARTICIPANTS: Two hundred three patients aged 70 older. INTERVENTION: Pharmaceutical from admission discharge by a specialist clinical pharmacist who had direct contacts team patients. MEASUREMENTS: Appropriateness prescribing...

10.1111/j.1532-5415.2007.01132.x article EN Journal of the American Geriatrics Society 2007-03-20

To compare the peak intensity of typical small-sided games (SSGs) with those official matches in terms running demands and mechanical work (MechW) over different rolling average durations playing positions.Data were collected 21 players (25 [5] y, 181 [7] cm, 77 kg) belonging to an elite French football team. SSG data 2 seasons during training sessions (249 files, 12 [4] per player) (n = 12). Players' locomotor activity was recorded using 5-Hz Global Positioning System. Total distance (m),...

10.1123/ijspp.2017-0214 article EN International Journal of Sports Physiology and Performance 2017-07-17

10.1016/j.jmva.2004.01.004 article EN publisher-specific-oa Journal of Multivariate Analysis 2004-03-09

The transport equation describing the flow of solute across a membrane has been modified on basis theoretical studies calculating drag sphere moving in viscous liquid undergoing Poiseuille inside cylinder. It is shown that different frictional resistance terms should be introduced to calculate contributions diffusion and convection. New sieving equations are derived r A(p)/Deltax (respectively, pore radius total area pores per unit path length). These provide better agreement than older...

10.1085/jgp.62.4.489 article EN The Journal of General Physiology 1973-10-01

Abstract Extended cure survival models enable to separate covariates that affect the long-term probability of an event (or survival) from those only affecting dynamics events short-term survival). We propose generalize bounded cumulative hazard model handle exogenous frequently changing values over time and jointly impacting long- survival. The selection penalty parameters tuning smoothness additive terms is a challenge in framework. A fast algorithm based on Laplace approximations Bayesian...

10.1093/jrsssa/qnaf035 article EN other-oa Journal of the Royal Statistical Society Series A (Statistics in Society) 2025-03-27

Although models developed directly to describe marginal distributions have become widespread in the analysis of repeated measurements, some their disadvantages are not well enough known. These include producing profile curves that correspond no possible individual, possibly showing a treatment is superior on average when it poorer for each individual subject, implicitly generating complex and implausible physiological explanations, including underdispersion subgroups, sometimes corresponding...

10.1002/(sici)1097-0258(19980228)17:4<447::aid-sim752>3.0.co;2-g article EN Statistics in Medicine 1998-02-28

Abstract Accelerated failure time models with a shared random component are described, and used to evaluate the effect of explanatory factors different transplant centres on survival times following kidney transplantation. Different combinations distribution effects baseline hazard function considered fit such data is critically assessed. A mixture model that combines short‐ long‐term components then developed, which provides more flexible for function. The can incorporate variables in each...

10.1002/sim.1876 article EN Statistics in Medicine 2004-09-24

Pre-ascent climbing route visual inspection (route preview) has been suggested as a key performance parameter although its role never verified experimentally. We examined the efficacy of this perceptual-cognitive skill on indoor sport performance. Twenty-nine male climbers, divided into intermediate, advanced and expert level groups, climbed two routes matching their and, where applicable, below level. At each level, one was with preview, participants benefited from 3-min pre-ascent...

10.1111/j.1600-0838.2010.01151.x article EN Scandinavian Journal of Medicine and Science in Sports 2010-06-16

Abstract This paper discusses a statistical modeling strategy based on extreme value theory to describe the behavior of an insurance portfolio, with particular emphasis large claims. The is illustrated using 1991–92 group medical claims database maintained by Society Actuaries. Using theory, focuses "excesses over threshold" approach fit generalized Pareto distributions. proposed compared standard parametric gamma, lognormal, and log-gamma Extreme outperforms classical fits allows actuary...

10.1080/10920277.2003.10596098 article EN North American Actuarial Journal 2003-07-01

A new model for multivariate non-normal longitudinal data is proposed. In a first step, each series of corresponding to given response modelled separately using copula relate the marginal distributions at time observation. second observation time, conditional (on past) are related another describing relationship between variables. Note that there no need consider same family these The technique illustrated in dose titration safety study on antidepressant. haemodynamic effect diastolic blood...

10.1002/sim.1249 article EN Statistics in Medicine 2002-10-07

This study compares the effects of conventional controlled-rate freezing and vitrification on morphology metabolism in vitro-produced bovine blastocysts. Day 7 expanded blastocysts cultured synthetic oviduct fluid with 5% fetal calf serum were frozen 1.36 M glycerol, 0.25 sucrose or vitrified 25% ethylene glycol. Cell alterations vitro development evaluated immediately after thawing 72 h. The effect cryopreservation inner cell mass trophectoderm (TE) number as well glucose, pyruvate, oxygen...

10.1095/biolreprod65.4.1127 article EN Biology of Reproduction 2001-10-01

Cet article propose une première analyse et édition de trois documents méconnus produits à l’abbaye Saint-Rigaud – com. Ligny-en-Brionnais, dép. Saône-et-Loire durant le dernier tiers du xie siècle. Ces font partie la catégorie diplomatique des « pancartes ». Ils prennent forme grandes feuilles parchemin sur lesquelles on transcrivit au moins deux actes dont les originaux ont aujourd’hui disparu. L’examen ces selon axes conservation archivistique, principes composition signification sociale...

10.4000/134xo article FR cc-by-nc-sa Bulletin du Centre d’études médiévales d’Auxerre 2025-01-01

Abstract Principal Component Analysis (PCA) is a classical technique in statistical data analysis, feature extraction and reduction, aiming at explaining observed signals as linear combination of orthogonal principal components. Independent (ICA) array processing recovering unobserved or ‘sources’ from mixtures, exploiting only the assumption mutual independence between signals. The separation sources by ICA has great potential applications such sound (like voices mixed simultaneous multiple...

10.1002/bimj.200510285 article EN Biometrical Journal 2006-10-11

10.1016/j.csda.2007.01.018 article EN Computational Statistics & Data Analysis 2007-02-05

To examine in elite soccer players after traveling across 6 time zones some psychometric and physiological responses to a competitive camp the heat.Data from 12 professional (24.6 ± 5.3 y) were analyzed. They participated an 8-d preseason summer training Asia (heat index 34.9°C 2.4°C). Players' activity was collected during all sessions friendly game using 15-Hz GPS. Perceived training/playing load estimated session rating of perceived exertion (RPE) training/match duration. Psychometric...

10.1123/ijspp.2015-0135 article EN International Journal of Sports Physiology and Performance 2015-07-13
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