UMRESTTE

Vivian Viallon

Maître de Conférence, section 26 (statistique)

Université Lyon 1, IFSTTAR

UMRESTTE et ICJ

Tel : 04 72 14 25 23

Thématiques de recherches

Estimation non paramétrique; statistique en grande dimension; sélection de modèle, survie; modèles prédictifs; modèles graphiques; épidémiologie et recherche clinique.

Enseignements

Master de Santé Publique, Université Lyon 1 :

http://mastersantepublique.univ-lyon1.fr/

Formation Compétence Complémentaire en Statistiques, Université Lyon 1 :

http://specialite-ccs.univ-lyon1.fr/

Publications

Travaux en statistique théorique et méthodologie

L. El Ghaoui, T. Rabbani, V. Viallon. Safe feature elimination in sparse supervised learning. Soumis.
V. Viallon, O. Banerjee, G. Rey, E. Jougla, J. Coste. An empirical comparative study of approximate methods for binary graphical models ; application to the search of associations among causes of death in the French death certificates. Soumis.
V. Viallon, A. Latouche. Discrimination measures for survival outcomes :connection between AUC and the predictiveness curve. Biometrical Journal, 53(2): 217-236 (2011).
V. Viallon, S. Ragusa, F. Clavel-Chapelon, J. Bénichou. How to evaluate the calibration of a disease risk prediction tool. Statistics in Medicine, 28(6) :901-916 (2009).
B. Maillot, V. Viallon. Uniform limit laws of the logarithm for nonparametric estimators of the regression function in presence of censored data. Mathematical Methods of Statistics, 18(2) : 159-184 (2009).
M. Debbarh, V. Viallon. Testing additivity in nonparametric regression under random censorship. Stat. and Prob. Letters, 78(16) : 2584-2591 (2008).
M. Debbarh, V. Viallon. Uniform limit laws of the logarithm for the additive regression function in presence of censored data. Electronic Journal of Statistics, 2 : 516-541 (2008).
V. Viallon. Uniform law of the logarithm for a nonparametric estimator of the regression function in the presence of censored data. C. R. Acad. Sci. Paris, Ser. I, 346(4) : 225-228 (2008).
V. Viallon. Functional limit laws for the increments of the quantile process ; with applications, Electronic Journal of Statistics, 1 : 496-518 (2007).
M. Debbarh, V. Viallon. Uniform convergence for estimators of the additive regression function under random censorship. C. R., Math., Acad. Sci. Paris,Ser. I, 345(2) : 97-100 (2007).
M. Debbarh, V. Viallon. Mean square convergence for estimators of additive regression under random censorship. C. R. Acad. Sci. Paris, Ser. I, 344(3) : 205-210 (2007).

Travaux en recherche clinique et épidémiologie

F. Stenard, O. Morales, V. Viallon, L. Aoudjehane, S. Chouzenoux, H. Groux, C. Auriault, O. Soubrane, Y. Calmus, N. Delhem, F. Conti. vRegulatory T cells type 1 can predict response to anti-viral therapy of recurrent hepatitis C after liver transplantation. Soumis.
C. Espy, W. Morelle, N. Kavian, P. Grange, C. Goulvestre, V. Viallon, C. Chereau, C. Pagnoux, J.C. Michalski, L. Guillevin, B. Weill, F. Batteux, P. Guilpain. Sialylation level of anti-proteinase 3 (PR3) antibodies determines the activity of Wegener's granulomatosis. Arthritis Rheum., 63(7):2105-15 (2011)
J. Toubiana, E. Courtine, F. Pène, V. Viallon, P. Asfar, C. Daubin, C. Rousseau, C. Chenot, F. Ouazz, D. Grimaldi, A. Cariou, J.D. Chiche, J.P. Mira. IRAK1 variant and septic shock. Critical Care Medicine, 38(12):2287-94 (2010).
E. Frisan, P. Pawlikowska, C. Pierre-Eugène, V. Bardet, V. Viallon, L. Gibault, O. Kosmider, S. Park, F. Kuhnowsky, M. Guesnu, P. Mayeux, C. Lacombe, F. Dreyfus, F. Porteu, M. Fontenay. p-ERK1/2 as a predictive factor of response to erythropoiesis- stimulating agents in low/int-1 myelodysplastic syndromes. Haematologica, 95(11):1964-8 (2010).
C. Cartry, V. Viallon, P. Hornoy, C. Adamsbaum. Diffusion-weighted MR imaging of the normal fetal brain: marker of fetal brain maturation. J. Radiol., 91: 561-566 (2010).
T. Girard, S. Mercier, V. Viallon, H. Poupet, S. Raherison, C. B_eb_ear, A. Marchal, E. Bloch, D. Vernant, B. de Barbeyrac. Etude de prévalence de l'infection à Chlamydia trachomatis et des facteurs clinico-biologiques associés dans une population d'adolescents en rupture. La Revue de Médecine Interne, 30(2): S49-S50 (2009).
C. Chaussain-Miller, S. Opsahl-Vital, V. Viallon, L. Vermelin, M. Sixou, J.J. Lasfargues. Predictive performance of a new caries test for patients undergoing orthodontic treatment. Clinical Oral Investigations, 14(2):177-185 (2009).
P. Fauque, P. Jouannet, C. Davy, J. Guibert, V. Viallon, S. Epelboin, J.M. Kunstmann, C. Patrat. Cumulative results including obstetrical and neonatal outcome of fresh and frozen-thawed cycles in elective single versus double fresh embryo transfers. Fertility and Sterility, 94(3): 927-35 (2009).
P. Fauque, M. Albert, C. Serres, V. Viallon, C. Chalas, C. Davy, S. Epelboin, P. Jouannet, C. Patrat. From ultrastructural agellar sperm defects to health of babies conceived by ICSI. Reproductive BioMedicine Online, 19(3): 326-36 (2009).
C. Patrat, I. Okamoto, P. Diabangouaya, V. Viallon, P. Le Baccon, E. Heard. Dynamic changes in paternal X-chromosome activity during imprinted X in- activation in mice. PNAS, 106(13): 5198-203 (2009).
F. Campeotto, M. Baldassare, M.J. Butel, V. Viallon, F. Nganzali, P. Soulaines, N. Kalach, A. Lapillone, N. Laforgia, G. Moriette, C. Dupont, N. Kapel. Fecal calprotectin as a noninvasive marker of digestive distress in preterm neonates : cut-off levels. Journal of Pediatric Gastroenterology and Nutrition, 48(4): 507-10 (2009).
C.B. d'Alva, G. Abiven-Leplace, V. Viallon, X. Bertagna, J. Bertherat. Sex steroids in androgen-secreting adrenocortical tumors : clinical and hormonal features in comparison with non tumoral causes of androgen excess. European Journal of Endocrinology, 159(5): 641-647 (2008).
F. P_ene, S. Percheron, V. Lemiale, V. Viallon, Y.E. Claessens, S. Marqué, J. Charpentier, D.C. Angus, A. Cariou, J.D. Chiche and J.P. Mira. Temporal changes in management and outcome of septic shock in patients with malignancies in the intensive care unit. Critical Care Medicine, 36(3) : 690-696 (2008).