Zobrazeno 1 - 10 of 34 pro vyhledávání: '"Takis Papaioannou"'
1
Monitoring Phase II Comparative Clinical Trials with Two Endpoints and Penalty for Adverse Events
Autor: Athanasios Sachlas, Takis Papaioannou, Sotiris Bersimis
Publikováno v: Methodology and Computing in Applied Probability. 20:719-738
Adverse events in Phase II comparative clinical trials have received limited attention in the literature. Bersimis et al. (Stat Med 34:197–214, 2014) in proposed a class of comparative sequential designs with bivariate endpoints, where as a special
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fb9968aa6b67ea6a16c21c5d90e27688
https://doi.org/10.1007/s11009-017-9582-3
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2
Flexible designs for phase II comparative clinical trials involving two response variables
Autor: Athanasios Sachlas, Takis Papaioannou, Sotiris Bersimis
Publikováno v: Statistics in Medicine. 34:197-214
The aim of phase II clinical trials is to determine whether an experimental treatment is sufficiently promising and safe to justify further testing. The need for reduced sample size arises naturally in phase II clinical trials owing to both technical
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9fe400e58d38c1332fd6166b8b6d0fe7
https://doi.org/10.1002/sim.6317
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3
A Note on Rank Correlation Inequalities with Missing Data
Autor: Takis Papaioannou, Ted Speevak
Publikováno v: Communications in Statistics - Theory and Methods. 44:1381-1386
Improved inequalities are obtained for the Spearman rank correlation coefficient and its associated sum of squares of rank differences, when one or more ranks or individuals are missing or added to the data.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::174a09e243c405c067a396b319cb942f
https://doi.org/10.1080/03610926.2013.763511
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4
Residual and Past Entropy in Actuarial Science and Survival Models
Autor: Athanasios Sachlas, Takis Papaioannou
Publikováno v: Methodology and Computing in Applied Probability. 16:79-99
The best policy for an insurance company is that which lasts for a long period of time and is less uncertain with reference to its claims. In information theory, entropy is a measure of the uncertainty associated with a random variable. It is a descr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::25bcbdfbb007b075ae9b3634e519f4e3
https://doi.org/10.1007/s11009-012-9300-0
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6
On Two Forms of Fisher's Measure of Information
Autor: Takis Papaioannou, K. Ferentinos
Publikováno v: Communications in Statistics - Theory and Methods. 34:1461-1470
Fisher's information number is the second moment of the "score function" where the derivative is with respect to x rather than theta. It is Fisher's information for a location parameter, and also called shift-invariant Fisher information. In recent y
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b204a994a6fb26a12ed7d141ec0c6601
https://doi.org/10.1081/sta-200063386
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8
[Untitled]
Autor: Takis Papaioannou, Konstantinos Zografos, Ch. Tsairidis, K. Ferentinos
Publikováno v: Annals of the Institute of Statistical Mathematics. 53:528-542
In this paper we study interesting properties of Fisher and divergence type measures of information for quantal, complete and incomplete random censoring, and not censoring at all. It is shown that, while quantal random censoring is less expensive, i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ace59be76d95d21fd749b34741474c69
https://doi.org/10.1023/a:1014621229708
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9
Asymmetry Models for Contingency Tables
Autor: Takis Papaioannou, Maria Kateri
Publikováno v: Journal of the American Statistical Association. 92:1124-1131
For the quasi-symmetry (QS) model, applicable to square contingency tables with commensurable classification variables. it is proved that under certain conditions, it is the closest model to symmetry in terms of the KUllback-Leibler distance. Replaci
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e242ccf0f7d188a3ef6859b5b54f011d
https://doi.org/10.1080/01621459.1997.10474068
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