[R] metaplot and meta.summaries

From: Anne Katrin Heinrichs <katrin.heinrichs_at_zmaw.de>
Date: Thu 24 Aug 2006 - 22:38:28 EST


Hello,

After looking through the archive and documentation for quite some time, I'd be very happy about some help with metaplot and meta.summaries.

metaplot:


Can I change the label size? I've got 126 values and the intersection of the labels makes it impossible to read them.

Why do I have to give sumse (Standard Error) and sumnn (Precision) of the summary estimate? I can calculate one from the other, right? Just to make sure I'm not misunderstanding something.

metaplot(CoeffVector, StdErrorVector, nn=NULL, labels=Name, conf.level=0.95,

xlab=paste(CoeffNames[j], CoefficientName[i]), 
ylab="Countries",
xlim=NULL, summn=PostCoeffs[1,j], sumse=sqrt(PostVars[1,j]), 
sumnn=1/(PostVars[1,j]),
summlabel="Summary",
lwd=2, boxsize=1)

meta.summaries


What does it mean, when I get the warning message that NaNs were produced in "pchisq(q, df, lower.tail, log.p)"? Is there something wrong with my data (there are no NAs in the data)?

MetaAnalyse <- meta.summaries(CoeffVector,

					StdErrorVector, 
					method = "random")

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