metabias.rm5  R Documentation 
Conduct a test for funnel plot asymmetry for all outcomes in a Cochrane review
## S3 method for class 'rm5'
metabias(
x,
comp.no,
outcome.no,
method.bias = "linreg",
method.bias.binary = method.bias,
method.bias.or = "score",
k.min = 10,
...
)
x 
An object of class 
comp.no 
Comparison number. 
outcome.no 
Outcome number. 
method.bias 
A character string indicating which test for
smallstudy effects is to be used for all outcomes. Either

method.bias.binary 
A character string indicating which test
is to be used for binary outcomes. Either 
method.bias.or 
A character string indicating which test is
to be used for binary outcomes with odds ratio as summary
measure. Either 
k.min 
Minimum number of studies to perform test for smallstudy effects. 
... 
Additional arguments (ignored at the moment) 
This function can be used to conduct a test for funnel plot asymmetry for all or selected metaanalyses in a Cochrane Review.
Review Manager 5 (RevMan 5) was the software used for preparing and
maintaining Cochrane Reviews
(https://training.cochrane.org/onlinelearning/coresoftware/revman).
In RevMan 5, subgroup analyses can be defined and data from a
Cochrane review can be imported to R using the function
read.rm5
.
The R function metacr
is called internally.
Guido Schwarzer guido.schwarzer@uniklinikfreiburg.de
Higgins, J.P.T and S. Green (2011): Cochrane Handbook for Systematic Reviews of Interventions Version 5.1.0 [Updated March 2011]. The Cochrane Library: http://www.cochranehandbook.org/
metabias
, metacr
,
read.rm5
, summary.rm5
# Locate export data file "Fleiss1993_CR.csv" in subdirectory of
# package "meta"
#
filename < system.file("extdata", "Fleiss1993_CR.csv", package = "meta")
Fleiss1993_CR < read.rm5(filename)
# Print results for all tests of smallstudy effects
#
metabias(Fleiss1993_CR, k.min = 5)
# Print result of test of smallstudy effects for second outcome in
# first comparison
#
metabias(Fleiss1993_CR, comp.no = 1, outcome.no = 2, k.min = 5)
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