在元分析中访问/保存来自 metafor 森林图的信息

Question

I'm wondering if it's possible to access (in some form) the information that is presented in the -forest- command in the -metafor- package.

I am checking / verifying results, and I'd like to have the output of values produced. Thus far, the calculations all check, but I'd like to have them available for printing, saving, etc. instead of having to type them out by hand.

Sample code is below :

---

es <- read.table(header=TRUE, text = "
b se_b
0.083 0.011
0.114 0.011
0.081 0.013
0.527 0.017
" )


library(metafor)

es.est <- rma(yi=b, sei=se_b, dat=es, method="DL")


studies <- as.vector(  c("Larry (2011)" , "Curly (2011)", "Moe (2015)" , "Shemp (2010)" )   )


forest(es.est , transf=exp  , slab = studies , refline = 1 ,  xlim=c(0,3), at = c(1, 1.5, 2, 2.5, 3, 3.5, 4) , showweights=TRUE)

---

I'd like to access the values (effect size and ci for each study, as well as the overall estimate, and ci) that are presented on the right of the graphic.

Thanks so much,

-Jon

Answer 1

How about:

> summary(escalc(measure="GEN", yi=b, sei=se_b, data=es), transf=exp)
      b  se_b     yi     vi    sei      zi  ci.lb  ci.ub
1 0.083 0.011 1.0865 0.0001 0.0110  7.5455 1.0634 1.1102
2 0.114 0.011 1.1208 0.0001 0.0110 10.3636 1.0968 1.1452
3 0.081 0.013 1.0844 0.0002 0.0130  6.2308 1.0571 1.1124
4 0.527 0.017 1.6938 0.0003 0.0170 31.0000 1.6383 1.7512

Then yi , ci.lb , and ci.ub provides the same info.