Results 101 to 110 of about 14,848,273 (189)

Likelihood-Based Estimation of a Proportional-Hazard, Competing- Risk Model with Grouped Duration Data [PDF]

open access: yes
This short paper demonstrates two important results related to the estimation of competing-risk models under the proportional-hazards assumption with grouped duration data.
Mark Yuying An
core  

Models of Firm Dynamics and the Hazard Rate of Exits:Reconciling Theory and Evidence using Hazard Regression Models [PDF]

open access: yes, 2005
This paper considers empirical work relating to models of firm dynamics. We show that a hazard regression model for firm exits, with a modification to accommodate age-varying covariate effects, provides an empirical framework accommodating many of the ...
Bhattacharjee, Arnab   +1 more
core  

Non-collapsibility and built-in selection bias of period-specific and conventional hazard ratio in randomized controlled trials

open access: yesBMC Medical Research Methodology
Background The hazard ratio of the Cox proportional hazards model is widely used in randomized controlled trials to assess treatment effects. However, two properties of the hazard ratio including the non-collapsibility and built-in selection bias need to
Helen Bian   +3 more
doaj   +1 more source

Determinants of under-five mortality in Zimbabwe: Evidence from the 2015–2016 Zimbabwe demographic Health Survey data

open access: yesWomen and Children Nursing
Background: Child mortality is an important measure of a population’s health status. It is included in the third sustainable development goal that aims to improve global health by reducing under-five mortality to at least as low as 25 per 1000 live ...
Elliot Mbunge   +7 more
doaj   +1 more source

Inference in Mixed Proportional Hazard Models with K Random Effects [PDF]

open access: yes
A general formulation of Mixed Proportional Hazard models with K random effects is provided. It enables to account for a population stratified at K different levels.
Guillaume Horny.
core  

The proportional representation review.

open access: yes, 1893
Continued as a department of: Direct legislation record and the proportional representation review."A quarterly magazine, devoted to the reformation of the method of electing representatives."Title from cover.Mode of access: Internet.Revived and absorbed
American Proportional Representation League.
core  

Cox proportional hazard regression.

open access: yes, 2018
Cox proportional hazard regression.
Stian Lydersen (36705)   +3 more
core   +1 more source

Modelling the recovery of distressed firms on the Johannesburg Stock Exchange: a Cox proportional hazard model approach

open access: yesCogent Economics & Finance
The Johannesburg Stock Exchange has been experiencing high levels of delisting over the past decade, drawing attention to the effectiveness of the mechanisms used to promote the recovery of financially distressed firms.
Leonard Makuvaza   +3 more
doaj   +1 more source

Results of the univariate Cox proportional hazard model.

open access: yes, 2014
HR: hazard ratio; CI: confidence interval.Results of the univariate Cox proportional hazard model.
Koji Sakamoto (265533)   +10 more
core   +1 more source

Survival prediction models for people living with HIV based on four machine learning models

open access: yesScientific Reports
Although antiretroviral therapy has prolonged the lifespan of people living with HIV, significant variations still exist in survival rates and risk factors among these people. This study compares the performance of the Cox proportional hazard models with
Qiong Cai   +6 more
doaj   +1 more source

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