forest function can be used to create forest plots.
either an object of class
"rma", a vector with the observed effect sizes or outcomes, or an object of class
"cumul.rma". See ‘Details’.
Currently, methods exist for three types of situations.
x can be a vector with observed effect sizes or outcomes. The corresponding method is then
Lewis, S., & Clarke, M. (2001). Forest plots: Trying to see the wood and the trees. British Medical Journal, 322(7300), 1479–1480. https://doi.org/10.1136/bmj.322.7300.1479
Viechtbauer, W. (2010). Conducting meta-analyses in R with the metafor package. Journal of Statistical Software, 36(3), 1–48. https://doi.org/10.18637/jss.v036.i03