Letter to the Editor on Cohen et al. (Letter commenting on: J Clin Epidemiol. 2015;68:299–306)

[...]as Cochran explains, the null distribution of Q only approaches [chi]k-12 when the numbers of degrees of freedom from the individual experiments become large. [...]as the title indicates, the subject of Cochran's article was combining estimates from experiments.

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Bibliographic Details
Published inJournal of clinical epidemiology Vol. 69; pp. 261 - 262
Main Author Hoaglin, David C.
Format Journal Article
LanguageEnglish
Published United States Elsevier Inc 01.01.2016
Elsevier Limited
Subjects
Data Interpretation, Statistical
Diagnostic Techniques and Procedures - standards
Editors
Epidemiology
Estimates
Health Status Indicators
Humans
Internal Medicine
Likelihood Functions
Multivariate analysis
Sample variance
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Summary:[...]as Cochran explains, the null distribution of Q only approaches [chi]k-12 when the numbers of degrees of freedom from the individual experiments become large. [...]as the title indicates, the subject of Cochran's article was combining estimates from experiments.
Bibliography:SourceType-Scholarly Journals-1
ObjectType-Correspondence-1
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ObjectType-Commentary-2
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ISSN:0895-4356
1878-5921
1878-5921
DOI:10.1016/j.jclinepi.2015.03.024