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Gemet_x
Source : DANS

Nonignorable data in IRT models: Polytomous responses and response propensity models with covariates

Glas, C.A.W. et al. (2015)

Missing data usually present special problems for statistical analyses, especially when the data are not missing at random, that is, when the ignorability principle defined by Rubin (1976) does not hold. Recently, a substantial number of articles have been published on model-based procedures to ...

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Source : HAL

The use of modelling and simulation approach in reconstructing past landscapes from fossil pollen data: a review and results from the POLLANDCAL network

Gaillard, M.J. et al. (2008)

International audience Information on past land cover in terms of absolute areas of different landscape units (forest, open land, pasture land, cultivated land, etc.) at local to regional scales is needed to test hypotheses and answer questions related to climate change (e.g. feedbacks effects of ...

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Source : DANS

Cellular Potts modeling of tumor growth, tumor invasion and tumor evolution

Szabó, Andras et al. (1 avr. 2013)

Despite a growing wealth of available molecular data, the growth of tumors, invasion of tumors into healthy tissue, and response of tumors to therapies are still poorly understood. Although genetic mutations are in general the first step in the development of a cancer, for the mutated cell to ...

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Source : DANS

Integrated Solution Support System for Water Management

Kassahun, A. et al. (2008)

Solving water management problems involves technical, social, economic, political and legal challenges and thus requires an integrated approach involving people from different backgrounds and roles. The integrated approach has been given a prominent role within the European Union¿s Water Framework ...

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Source : DANS

KB WOT Fisheries 2014 - Maintaining Excellence and Innovation in Fisheries Research

Damme, van, C.J.G. et al. (2013)

Het KB WOT programma voor Visserijonderzoek onderhoudt en ontwikkelt de expertise die nodig is voor het uitvoeren van de wettelijke WOT Visserijonderzoektaken. De inhoud van het KB WOT programma voor 2014 is een resultaat van discussies over de visserijonderzoeksrichting en kennisbenodigdheden ...

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Source : DANS

De ontwikkeling van narratieve competentie. Bijdrage aan een methodologie voor de bestudering van gezond leven

Sools, A.M. (2010)

The aim of this thesis is to further develop a narrative psychological research methodology that is specifically suited for the study of healthy living. The title The development of narrative competence has a twofold meaning which mirrors the methodological and the substantive orientation of the ...

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Source : HAL

Cartographie de la diversité des sols viticoles de versant par imagerie à haute résolution : contribution à la connaissance des terroirs.

Chevigny, Emmanuel (11 sept. 2014)

The Burgundian vineyard hillslopes (Côte-d’Or, France) exhibit a high diversity of soils resulting from the combination of several natural and anthropogenic factors acting at various spatio-temporal scales. The soil types have major role in viticulture, since they partly determine wine-growing ...

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Source : HAL

Calibration of local volatility using the local and implied instantaneous variance

Turinici, Gabriel (9 déc. 2009)

International audience We document the calibration of the local volatility in terms of local and implied instantaneous variances; we first explore the theoretical properties of the method for a particular class of volatilities. We confirm the theoretical results through a numerical procedure which ...

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Source : DANS

Human Target Tracking in Multistatic Ultra-Wideband Radar

He, Y. (16 avr. 2014)

Multistatic ultra-wideband radar is acknowledged to be useful for human tracking in indoor surveillance. In this thesis, a global signal processing chain for detection and localization of moving human targets using a multistatic ultra-wideband radar system is proposed. The design options for the ...

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Source : HAL