Temat: meta-analysis. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Joint estimation for normal orthogonal mixed models
Autorzy:: de Jesus, Vera
Ferreira, Sandra
Mexia, João
Powiązania:: https://bibliotekanauki.pl/articles/730008.pdf
Data publikacji:: 2007
Wydawca:: Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:: normal orthogonal mixed models
commutative Jordan algebras
meta-analysis
Opis:: Commutative Jordan algebras are used to express the structure of mixed orthogonal models and to derive complete sufficient statistics. From these statistics, UMVUE, (Uniformly Minimum Variance Unbiased Estimators), are derived for the relevant parameters, first of single models then of several such models. These models may correspond to experiments designed separately so our results may be seen as a contribution to this meta-analysis.
Źródło:: Discussiones Mathematicae Probability and Statistics; 2007, 27, 1-2; 5-13
1509-9423
Pojawia się w:: Discussiones Mathematicae Probability and Statistics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Meta-analysis techniques applied in prevalence rate estimation
Autorzy:: Martins, João
Felgueiras, Miguel
Santos, Rui
Powiązania:: https://bibliotekanauki.pl/articles/729858.pdf
Data publikacji:: 2013
Wydawca:: Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:: compound tests
estimation of prevalence
meta-analysis
sensitivity
specificity
Opis:: In some cases, the estimators obtained in compound tests have better features than the traditional ones, obtained from individual tests, cf. Sobel and Elashoff (1975), Garner et al. (1989) and Loyer (1983). The bias, the efficiency and the robustness of these estimators are investigated in several papers, e.g. Chen and Swallow (1990), Hung and Swallow (1999) and Lancaster and Keller-McNulty (1998). Thus, the use of estimators based on compound tests not only allows a substantial saving of costs, but they also can (in some situations) be more accurate than the estimators based on the individual tests.
Nevertheless, each laboratory produces estimates for the prevalence rate of a given infection using different methodologies, such as halving nested procedures (Sobel and Elashoff, 1975) and square array testing (Kim et al., 2007). The logistic regression or the weighted least squares regression can be used in order to combine different prevalence rate estimates (Chen and Swallow, 1990). In this work some meta-analytical techniques are proposed as an alternative approach. This methodology has the advantage of being quite simple and flexible to account for the error source.
Źródło:: Discussiones Mathematicae Probability and Statistics; 2013, 33, 1-2; 79-97
1509-9423
Pojawia się w:: Discussiones Mathematicae Probability and Statistics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Combining multivariate estimators of the mean vector
Autorzy:: Janicka, Iwona
Powiązania:: https://bibliotekanauki.pl/articles/729724.pdf
Data publikacji:: 2005
Wydawca:: Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:: meta-analysis
the fixed effects model
the random effects model
Opis:: Meta-analysis is a standard statistical method used to combine the conclusions of individual studies that are related and the results of single study alone can not answered to deal with issues. The data are summarized by one or more outcome measure estimates along with their standard errors.
The multivariate model and the variations between studies are not considered in most articles.
Here we discuss multivariate effects models: a multivariate fixed effects model and a multivariate random effects model.
Źródło:: Discussiones Mathematicae Probability and Statistics; 2005, 25, 1; 77-89
1509-9423
Pojawia się w:: Discussiones Mathematicae Probability and Statistics
Dostawca treści:: Biblioteka Nauki

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