I would like another line, and the solution below will work great. Thank you.
- John Quoting "Viechtbauer Wolfgang (STAT)" <wolfgang.viechtba...@maastrichtuniversity.nl>: > Regarding your question: Do you want *another* line or do you just want to > move the reference line to the value of the summary estimate? The latter can > be done by passing the value of the summary estimate to the 'refline' > argument. If you want another line, you could just use the abline function, > or, for finer control, the segments function. Something like: > > segments(coef(res), 0, coef(res), res$k, lty="dashed") > > where 'res' is the name of the fitted model object. You may have to play > around with the 0 and res$k values, so that the line has the 'correct' > length. > > Thanks for the positive feedback about the package. > > Best, > Wolfgang > > -- > Wolfgang Viechtbauer, Ph.D., Statistician > Department of Psychiatry and Psychology > School for Mental Health and Neuroscience > Faculty of Health, Medicine, and Life Sciences > Maastricht University, P.O. Box 616 (VIJV1) > 6200 MD Maastricht, The Netherlands > +31 (43) 388-4170 | http://www.wvbauer.com > ________________________________________ > From: r-help-boun...@r-project.org [r-help-boun...@r-project.org] On Behalf > Of johnwilli...@fas.harvard.edu [johnwilli...@fas.harvard.edu] > Sent: Thursday, December 12, 2013 6:49 AM > To: r-help@r-project.org > Subject: [R] refline in forest() {metafor} > > Hello all, > > I am using forest.rma to plot a random effects model meta-analysis. I noticed > that refline sets a vertical line indicating the null hypothesis. > > Is there a way to draw another vertical line, possibly dashed, centered on > the > summary estimate? > > Prof. Viechtbauer, if you happen to read this, I'd like to thank you for > making > an excellent package. I have been using the metafor package to do my first > meta-analysis, having never used R before. The documentation is thorough and > intuitive. > > Thanks, > > John > > John Williams > ALB Candidate > Harvard University Extension School > johnwilli...@fas.harvard.edu > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
