Results 61 to 70 of about 2,010,420 (207)

Evaluating key predictors of breast cancer through survival: a comparison of AFT frailty models with LASSO, ridge, and elastic net regularization

open access: yesBMC Cancer
Background Frailty models are extensively utilized in survival analysis to address unobserved heterogeneity among individuals. However, selecting the most robust model for survival prediction, especially in the context of high-dimensional data, continues
Senyefia Bosson-Amedenu   +3 more
doaj   +1 more source

Covariate-stratified analysis of prostate cancer and competing risk mortality in Ghana: A bootstrapped survival analysis approach

open access: yesScientific African
Prostate cancer remains a major health concern in sub-Saharan Africa, where late-stage presentation and comorbidities complicate survival estimation and treatment planning.
Senyefia Bosson-Amedenu   +5 more
doaj   +1 more source

Construction of Mortality Rate Using Heligman Pollard Model [PDF]

open access: yesITM Web of Conferences
The idea of constructing a mortality table lies in reflecting the mortality changes of the member of the study population. This study proposed a construction of the mortality table for male and female participants using the Heligman Pollard model and was
Sari Kurnia Novita   +3 more
doaj   +1 more source

Minimizing measures of risk by saddle point conditions. [PDF]

open access: yes
The minimization of risk functions is becoming a very important topic due to its interesting applications in Mathematical Finance and Actuarial Mathematics. This paper addresses this issue in a general framework.
Balbás, Alejandro   +2 more
core  

Optimal asset allocation for aggregated defined benefit pension funds with stochastic interest rates. [PDF]

open access: yes
In this paper we study the optimal management of an aggregated pension fund of defined benefit type, in the presence of a stochastic interest rate. We suppose that the sponsor can invest in a savings account, in a risky stock and in a bond with the aim ...
Josa-Fombellida, Ricardo   +1 more
core   +3 more sources

Comparison Among Modified Continual Reassessment Methods with Different Dose Allocation Methods for Phase I Clinical Trials

open access: yesMathematics
The continual reassessment method (CRM) has been an essential Bayesian finding design in phase I clinical trials. It utilizes all the information in observed data which contributes to its essential operational characteristics.
Jiacheng Xiao   +3 more
doaj   +1 more source

Risk Measures for Classical and Perturbed Risk Processes - a Survey [PDF]

open access: yes, 2011
2000 Mathematics Subject Classification: 60B10, 60G17, 60G51, 62P05.In this review paper we consider several risk measures in actuarial mathematics, such as the ruin probability, the ruin time, the severity of ruin, the surplus immediately before ruin ...
T. Kolkovska, Ekaterina
core  

Matematica Actualiara (Actuarial Mathematics)

open access: yes, 2000
The book content is not based on a specific bibliography research but on a proper authors work concerning Actuarial Mathematics starting from a few issues published by the former Center for Organization and Research in Constructions (COCC - SA) under the Department of Constructions and Public Works of Romania, which gives it a more personal way of ...
Gavrus, Vasile, Gavrus, Adinel
openaire   +1 more source

Valuation and hedging of the ruin-contingent life annuity (RCLA) [PDF]

open access: yes, 2012
This paper analyzes a novel type of mortality contingent-claim called a ruin-contingent life annuity (RCLA). This product fuses together a path-dependent equity put option with a "personal longevity" call option. The annuitant's (i.e.
Huang, Huaxiong   +2 more
core   +1 more source

CONSTRUCTION OF INDONESIA MORBIDITY TABLE FOR GENITOURINARY SYSTEM-RELATED DISEASES TO FACILITATE INDONESIA’S ECONOMIC EXPANSION

open access: yesBarekeng
The disease of the genitourinary system is one of the most common diseases in Indonesia. The disease shows some risk, especially in health and economic aspect.
Kurnia Novita Sari   +3 more
doaj   +1 more source

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