نتایج جستجو برای: mixture cure model

تعداد نتایج: 2197597  

Journal: :European Journal of Operational Research 2015
Lore Dirick Gerda Claeskens Bart Baesens

We derive the proper form of the Akaike information criterion for variable selection for mixture cure models, which are often fit via the expectation-maximization algorithm. Separate covariate sets may be used in the mixture components. The selection criteria are applicable to survival models for right-censored data with multiple competing risks and allow for the presence of an insusceptible gr...

Journal: :علوم و تکنولوژی پلیمر 0
میرحمیدرضا قریشی مهدی رافعی قاسم نادری غلامرضا بخشنده محمود نصیری

afinite element model is developed for simulation of the curing process of a thick axisymmetric rubber article reinforced by metal plates during the molding and cooling stages. the model consists of the heat transfer equation and a newly developed kinetics model for the determination of the state of cure in the rubber. the latter is based on the modification of the well-known kamal-sourour mode...

Journal: :Journal of the American Statistical Association 2009

Journal: :Journal of the Royal Statistical Society: Series C (Applied Statistics) 2009

2013
Michael J. Crowther Paul C. Lambert

In this paper we present the Stata package stgenreg for the parametric analysis of survival data. Any user-defined hazard function can be specified, with the model estimated using maximum likelihood utilising numerical quadrature. Models that can be fitted range from the Weibull proportional hazards model to the generalized gamma model, mixture models, cure rate models, accelerated failure time...

Journal: :Journal of animal science 2013
R Bangera J Ødegård H M Nielsen H M Gjøen A Mortensen

The aim of this study was to investigate whether observed time-until-death of Atlantic cod (Gadus morhua L.) juveniles in separate challenge tests with Vibrio anguillarum (causes vibriosis) and nodavirus [causes viral nervous necrosis (VNN)] are due to differences in susceptibility (whether at risk or not) or increased endurance (individual hazard, given that the animal is susceptible) using a ...

Journal: :physical chemistry research 0
h ghanadzadeh gilani ali ghanadzadeh gilani departent of chemistry, university of guilan. rasht, iran f borji peydeh s.l. seyed saadat s ahmadifar

liquid-liquid equilibria for the (water + lactic acid + benzyl alcohol or p-xylene) ternary systems were investigated at atmospheric pressure and in the temperature range from 298.15-318.15 k. the studied systems exhibit two types of liquid-liquid equilibrium (lle) behavior. the system consisting of benzyl alcohol displays type-1 lle behavior, while a type-2 behavior is exhibited by the other s...

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