[R] Command to combine means?

S Ellison S.Ellison at LGCGroup.com
Thu Jun 30 17:37:57 CEST 2016


Stata's documentation lists this as a meta-analysis tool.
You may want to look at the rma function in the metafor package for various approaches to that problem.

S Ellison


> -----Original Message-----
> From: R-help [mailto:r-help-bounces at r-project.org] On Behalf Of Carlos R.
> Moreira Maia
> Sent: 30 June 2016 16:03
> To: r-help at r-project.org
> Subject: [R] Command to combine means?
> 
> Dear all,
> I'm newbie with R (changing from STATA), and I can't find some commands.
> One of those is the "combine", which I use to combine means like this:
> 
> --------------------------------------------
> n1 m1 sd1  n2 m2 sd2
> 
> combine 12 3 1 34 45 4
> 
> Combine has calculated the following values:
>     combined n = 46
>     combined mean = 34.043478
>     combined SD = 18.964829
> --------------------------------------------
> 
> Does anybody knows a simmilar command in R to combine means?
> 
> Thanks in advance.
> 
> Carlos.
> 
> 	[[alternative HTML version deleted]]
> 
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