metaHelper: Transforms Statistical Measures Commonly Used for Meta-Analysis
Helps calculate statistical values commonly used in meta-analysis. It provides several methods to compute different forms of standardized mean differences, as well as other values such as standard errors and standard deviations.
The methods used in this package are described in the following references:
Altman D G, Bland J M. (2011) <doi:10.1136/bmj.d2090>
Borenstein, M., Hedges, L.V., Higgins, J.P.T. and Rothstein, H.R. (2009) <doi:10.1002/9780470743386.ch4>
Chinn S. (2000) <doi:10.1002/1097-0258(20001130)19:22%3C3127::aid-sim784%3E3.0.co;2-m>
Cochrane Handbook (2011) <https://handbook-5-1.cochrane.org/front_page.htm>
Cooper, H., Hedges, L. V., & Valentine, J. C. (2009) <https://psycnet.apa.org/record/2009-05060-000>
Cohen, J. (1977) <https://psycnet.apa.org/record/1987-98267-000>
Ellis, P.D. (2009) <https://www.psychometrica.de/effect_size.html>
Goulet-Pelletier, J.-C., & Cousineau, D. (2018) <doi:10.20982/tqmp.14.4.p242>
Hedges, L. V. (1981) <doi:10.2307/1164588>
Hedges L. V., Olkin I. (1985) <doi:10.1016/C2009-0-03396-0>
Murad M H, Wang Z, Zhu Y, Saadi S, Chu H, Lin L et al. (2023) <doi:10.1136/bmj-2022-073141>
Mayer M (2023) <https://search.r-project.org/CRAN/refmans/confintr/html/ci_proportion.html>
Stackoverflow (2014) <https://stats.stackexchange.com/questions/82720/confidence-interval-around-binomial-estimate-of-0-or-1>
Stackoverflow (2018) <https://stats.stackexchange.com/q/338043>.
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[aut, cre],
Guido Schwarzer [aut],
Ulf Tölch [aut],
Günther Schreder [aut],
Gerald Gartlehner [aut]