I installed R 2.12 and it works now, thank you Wolfgang.
Servus
Cheba
> library(metafor)
Error: This is R 2.11.0, package 'metafor' needs >= 2.12.0
2011/4/8 cheba meier <cheba.me...@googlemail.com>
> I have just installed the package as
>
> > install.packages("metafor")
> --- Please select a CRAN mirror for use in this session ---
> .....
> downloaded 403 Kb
>
> package 'metafor' successfully unpacked and MD5 sums checked
>
> > library("metafor")
> Loading required package: Formula
> Loading required package: nlme
> Loading 'metafor' package (version 1.4-0). For an overview
> and introduction to the package please type: help(metafor).
> Warning message:
> package 'metafor' was built under R version 2.11.1
>
> > rr <- c(0.61, 0.35, 1.16, 0.94, 1.16, 0.46, 0.99, 1.05, 1.15, 0.27)
> > lci <- c(-1.69, -1.27, -0.24, -0.54, -1.01, -1.8,-0.89, -1.38,
> -1.05,-2.04)
> > uci <- c(0.70, -0.82,0.54,0.41,1.30,0.24,0.87,1.48,1.33,-0.57)
> > library(metafor)
> > forest(log(rr), ci.lb=lci, ci.ub=uci, xlab="Log Relative Risk")
> Error in sei^2 : 'sei' is missing
>
> Is it just because I am using R version 2.11.0?
>
> Regards,
> Cheba
>
>
>
> 2011/4/8 Viechtbauer Wolfgang (STAT) <
> wolfgang.viechtba...@maastrichtuniversity.nl>
>
> What version of the metafor package are you using? The option of directly
>> providing the CI bounds was added in version 1.5-0, so make sure you are
>> using the newest version.
>>
>> Best,
>>
>>
>> --
>> Wolfgang Viechtbauer
>> Department of Psychiatry and Neuropsychology
>> School for Mental Health and Neuroscience
>> Maastricht University, P.O. Box 616
>> 6200 MD Maastricht, The Netherlands
>> Tel: +31 (43) 368-5248
>> Fax: +31 (43) 368-8689
>> Web: http://www.wvbauer.com
>>
>> ------------------------------
>> *From:* cheba meier [cheba.me...@googlemail.com]
>> *Sent:* Friday, April 08, 2011 11:31 AM
>> *To:* Viechtbauer Wolfgang (STAT)
>>
>> *Cc:* R-help@r-project.org
>> *Subject:* Re: [R] metaplot
>>
>> Thank you for your reply.
>>
>> > forest(log(rr), ci.lb=lci, ci.ub=uci, xlab="Log Relative Risk")
>> Error in sei^2 : 'sei' is missing
>>
>> Regards,
>> Cheba
>>
>>
>> 2011/4/7 Viechtbauer Wolfgang (STAT) <
>> wolfgang.viechtba...@maastrichtuniversity.nl>
>>
>>> Actually, Scott suggested ggplot2, which is available on CRAN:
>>>
>>> http://cran.r-project.org/web/packages/ggplot2/index.html
>>>
>>> Moreover, for the metafor package, you do not need "(a,b,c,d) or standard
>>> errors for the effect estimates".
>>>
>>> rr <- c(0.61, 0.35, 1.16, 0.94, 1.16, 0.46, 0.99, 1.05, 1.15, 0.27)
>>> lci <- c(-1.69, -1.27, -0.24, -0.54, -1.01, -1.8,-0.89, -1.38,
>>> -1.05,-2.04)
>>> uci <- c(0.70, -0.82,0.54,0.41,1.30,0.24,0.87,1.48,1.33,-0.57)
>>>
>>> The lci and uci values are obviously the log-transformed values of the
>>> upper and lower CI bounds for the RR. So, you could do:
>>>
>>> library(metafor)
>>> forest(log(rr), ci.lb=lci, ci.ub=uci, xlab="Log Relative Risk")
>>>
>>> or:
>>>
>>> forest(log(rr), ci.lb=lci, ci.ub=uci, xlab="Relative Risk", atransf=exp)
>>>
>>> help(forest.default) will tell you more about using the forest()
>>> function.
>>>
>>> Best,
>>>
>>> --
>>> Wolfgang Viechtbauer
>>> Department of Psychiatry and Neuropsychology
>>> School for Mental Health and Neuroscience
>>> Maastricht University, P.O. Box 616
>>> 6200 MD Maastricht, The Netherlands
>>> Tel: +31 (43) 368-5248
>>> Fax: +31 (43) 368-8689
>>> Web: http://www.wvbauer.com
>>> ________________________________________
>>> From: r-help-boun...@r-project.org [r-help-boun...@r-project.org] On
>>> Behalf Of cheba meier [cheba.me...@googlemail.com]
>>> Sent: Thursday, April 07, 2011 4:11 PM
>>> To: Scott Chamberlain
>>> Cc: R-help@r-project.org; tlum...@uw.edu
>>> Subject: Re: [R] metaplot
>>>
>>> Many thanks for your reply! the Package ggplot was removed from the
>>> CRAN
>>> repository. Formerly available versions can be obtained from the
>>> archive<http://cran.r-project.org/src/contrib/Archive/ggplot
>>> >(Unfortunately,
>>> I am a windows user). The metafor and meta.summaries()
>>> still need the (a,b,c,d) or standard errors for the effect estimates! I
>>> have
>>> the following data
>>>
>>> rr <- c(0.61, 0.35, 1.16, 0.94, 1.16, 0.46, 0.99, 1.05, 1.15, 0.27)
>>> lci <- c(-1.69, -1.27, -0.24, -0.54, -1.01, -1.8,-0.89, -1.38,
>>> -1.05,-2.04)
>>> uci <- c(0.70, -0.82,0.54,0.41,1.30,0.24,0.87,1.48,1.33,-0.57)
>>> rrdata <- data.frame(rr,lci,uci)
>>>
>>> I can compute standard errors from my data? but the results show
>>> different
>>> confidence interval?
>>>
>>> Many thanks in advance,
>>> Cheba
>>>
>>>
>>> 2011/4/6 Scott Chamberlain <scttchamberla...@gmail.com>
>>>
>>> > What about the metafor package?
>>> >
>>> >
>>> > Or just create your own plot.
>>> >
>>> > For example, using ggplot2 package:
>>> >
>>> > limits <- aes(ymax = OR + (OR - 95%LCI), ymin = OR - (OR - 95%LCI))
>>> > ggplot(dataframe, aes(x = Study.Name, y = OR)) + geom_point() +
>>> > geom_errobar(limits)
>>> >
>>> > Best,
>>> > Scott
>>> >
>>> > On Wednesday, April 6, 2011 at 11:53 AM, cheba meier wrote:
>>> >
>>> > Dear all,
>>> >
>>> > I have a four variable: Stuy.Name, OR, 95%LCI and 95%UCI and I would
>>> like
>>> > to
>>> > create a meta analysis plot. I can't use meta.MH function in metaplot
>>> > because I do not have
>>> > n.trt, n.ctrl, col.trt, col.ctrl are not available! Is there an
>>> alternative
>>> > way to do it?
>>> >
>>> > Many thanks in advance,
>>> > Cheba
>>> >
>>> > [[alternative HTML version deleted]]
>>> >
>>> > ______________________________________________
>>> > 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.
>>>
>>
>>
>
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