An empirical study of the choice of meta analysis model on the overall estimates for continuous data with missing standard deviations

An empirical study of the choice of meta analysis model on the overall estimates for continuous data with missing standard deviations

The choice between tile fixed aud raudom dfed5 model for pl'O'fidiDg am o'Ytl'd mda auIysis edimate iB continuous data may affect tile accuracy of tllese estimates. For studies witIt complete iDformatio., tile Cochrane's Q-test could provide some guide on tile choice. altho...

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Bibliographic Details
Main Authors: Nik Idris, Nik Ruzni, Saidin, Norraida
Format: Conference or Workshop Item
Language:English
Published: ieee.org 2010
Subjects:
QA75 Electronic computers. Computer science
Online Access:http://irep.iium.edu.my/29986/
http://irep.iium.edu.my/29986/
http://irep.iium.edu.my/29986/
http://irep.iium.edu.my/29986/1/An_Empirical_Study_into_the_Effect_of_the_Choice.pdf
id iium-29986
recordtype eprints
spelling iium-299862013-06-26T00:08:13Z http://irep.iium.edu.my/29986/ An empirical study of the choice of meta analysis model on the overall estimates for continuous data with missing standard deviations Nik Idris, Nik Ruzni Saidin, Norraida QA75 Electronic computers. Computer science The choice between tile fixed aud raudom dfed5 model for pl'O'fidiDg am o'Ytl'd mda auIysis edimate iB continuous data may affect tile accuracy of tllese estimates. For studies witIt complete iDformatio., tile Cochrane's Q-test could provide some guide on tile choice. although the power ofbthis test is quite low. If tile study- level standard deviations ~SDs) an ROt cOlllpletdy reported or 'missing"', selection meta aualysis model should be dOJle witIt more cautio.. Many studies suggest that imputation is a good way of recovering the lost information in the effect size estimate aud the corresponding standard error. lD this article, we compare empirically,.the effeds ofimputatioa ofthe missing SDs 011 the overaB meta analysis estimates based on both the fixed and random effett modeL Tile results saggest imputation is recommended to estimate tile overall effett size. However, to estimate its corresponding staDdard error (SE), imputation is recommended for tile estimates based 08 the random effed model Ifthe fixed eft'ert model is used. impDtation may lead to bias estimates of the SE. ieee.org 2010 Conference or Workshop Item PeerReviewed application/pdf en http://irep.iium.edu.my/29986/1/An_Empirical_Study_into_the_Effect_of_the_Choice.pdf Nik Idris, Nik Ruzni and Saidin, Norraida (2010) An empirical study of the choice of meta analysis model on the overall estimates for continuous data with missing standard deviations. In: 2nd International Conference on Knowledge Discovery(ICKD 2010), 19-21 March, 2010, Bali, Indonesia. http://ieeexplore.ieee.org/ 10.1109/ICCEA.2010.265
repository_type Digital Repository
institution_category Local University
institution International Islamic University Malaysia
building IIUM Repository
collection Online Access
language English
topic QA75 Electronic computers. Computer science
spellingShingle QA75 Electronic computers. Computer science
Nik Idris, Nik Ruzni
Saidin, Norraida
An empirical study of the choice of meta analysis model on the overall estimates for continuous data with missing standard deviations
description The choice between tile fixed aud raudom dfed5 model for pl'O'fidiDg am o'Ytl'd mda auIysis edimate iB continuous data may affect tile accuracy of tllese estimates. For studies witIt complete iDformatio., tile Cochrane's Q-test could provide some guide on tile choice. although the power ofbthis test is quite low. If tile study- level standard deviations ~SDs) an ROt cOlllpletdy reported or 'missing"', selection meta aualysis model should be dOJle witIt more cautio.. Many studies suggest that imputation is a good way of recovering the lost information in the effect size estimate aud the corresponding standard error. lD this article, we compare empirically,.the effeds ofimputatioa ofthe missing SDs 011 the overaB meta analysis estimates based on both the fixed and random effett modeL Tile results saggest imputation is recommended to estimate tile overall effett size. However, to estimate its corresponding staDdard error (SE), imputation is recommended for tile estimates based 08 the random effed model Ifthe fixed eft'ert model is used. impDtation may lead to bias estimates of the SE.
format Conference or Workshop Item
author Nik Idris, Nik Ruzni
Saidin, Norraida
author_facet Nik Idris, Nik Ruzni
Saidin, Norraida
author_sort Nik Idris, Nik Ruzni
title An empirical study of the choice of meta analysis model on the overall estimates for continuous data with missing standard deviations
title_short An empirical study of the choice of meta analysis model on the overall estimates for continuous data with missing standard deviations
title_full An empirical study of the choice of meta analysis model on the overall estimates for continuous data with missing standard deviations
title_fullStr An empirical study of the choice of meta analysis model on the overall estimates for continuous data with missing standard deviations
title_full_unstemmed An empirical study of the choice of meta analysis model on the overall estimates for continuous data with missing standard deviations
title_sort empirical study of the choice of meta analysis model on the overall estimates for continuous data with missing standard deviations
publisher ieee.org
publishDate 2010
url http://irep.iium.edu.my/29986/
http://irep.iium.edu.my/29986/
http://irep.iium.edu.my/29986/
http://irep.iium.edu.my/29986/1/An_Empirical_Study_into_the_Effect_of_the_Choice.pdf
first_indexed 2023-09-18T20:44:01Z
last_indexed 2023-09-18T20:44:01Z
_version_ 1777409554350342144

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