The estimation of average hazard ratios by weighted Cox regression

M Schemper, S Wakounig, G Heinze - Statistics in medicine, 2009 - Wiley Online Library
… and is further developed and re-evaluated in this contribution. The notion of an average
hazard ratio is defined and its connection to the effect size measure P(X<Y) is emphasized. The …

Estimating the correlation of bivariate failure times under censoring

M Schemper, A Kaider, S Wakounig… - Statistics in …, 2013 - Wiley Online Library
S between 0.25 and 0.875. Even under a bivariate normal distribution, differences between
τ and r S can be substantial, for example, τ = 0.5 relates to r S … of Spearman's r S to censoring…

Non-parametric estimation of relative risk in survival and associated tests

S Wakounig, G Heinze… - Statistical methods in …, 2015 - journals.sagepub.com
… OC is preferable if the relative importance of hazard ratios at different times is considered …
The weight function then equals f(t)[S 0 (t)S 1 (t)] 1/2 , which is the density multiplied by the …

Prognosis in patients with congestive heart failure and subacute renal failure treated with hemodialysis.

…, A Vychytil, G Sengölge, S Wakounig… - Wiener klinische …, 2009 - search.ebscohost.com
… Current therapeutic strategies obviously fall short in effectively supporting these patients
and, in particular, it is questionable whether conventional hemodialysis is the best renal …

Bayesian Network Tomography and Inference

P Pluch, S Wakounig - arXiv preprint cs/0702125, 2007 - arxiv.org
… The aim of this technical report is to give a short overview of known techniques for network
tomography (introduced in the paper of Vardi (1996)), extended by a Bayesian approach …

Prognose von Patienten mit Kardiomyopathie und subakutem Nierenversagen bei Behandlung mit Hämodialyse

…, A Vychytil, G Sengölge, S Wakounig… - Wiener klinische …, 2009 - Springer
… Little, however, is known about prognostic indices and outcome in patients with CHF who
(sub-)acutely progress to dialysis dependency. DESIGN AND SETTING: We evaluated …

[PDF][PDF] ROeS 2007 BERN

…, MMS Bias, A Racine, M Schemper, S Wakounig… - academia.edu
… Bayesian model averaging is conceptually straight-… is well-suited for situations where the
quantity of interest is modelindependent, such as in dose-finding studies where the objective is

Scope 2 and market-based accounting-workshop report

…, O Corradi, M Schäfer, J Sigvert, C Wakounig… - Carbon …, 2024 - Taylor & Francis
… Part of the problem is that there is no commonly accepted definition of ‘additionality’, and
additionality is currently not quantifiable. The updated scope 2 guidance should therefore …

Weighted parameter estimation in Cox regression

S Wakounig - Citeseer
… the proportional hazards assumption is violated. A further benefit is improved robustness
against … A SAS macro written by Georg Heinze from our department is available for download at …

Analysis and Measurement of Tax Evasion Factors Using Questionnaire-Example from Bosnia and Herzegovina

S Terzić, W Berger, M Wakounig - EMC REVIEW-ECONOMY AND …, 2022 - doisrpska.nub.rs
… Summary: Analysis and measurement of tax evasion is a very important issue primarily for
the tax administration. The purpose of this article is first to show how to analyze tax evasion …