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Hierarchical effects example from Tanner-Smith & Tipton (2013)
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# robumeta calculations | |
library(grid) | |
library(robumeta) | |
data(hierdat) | |
HTJ <- robu(effectsize ~ males + binge, | |
data = hierdat, modelweights = "HIER", | |
studynum = studyid, | |
var.eff.size = var, small = FALSE) | |
HTJ | |
# reproduce using metafor | |
source("R/metafor-sandwich.R") # See https://gist.github.com/jepusto/11144005 | |
hierdat$var_HTJ <- hierdat$var + HTJ$omega.sq + HTJ$tau.sq | |
meta1 <- rma.mv(yi = effectsize ~ males + binge, | |
V = var_HTJ, | |
data = hierdat, method = "FE") | |
meta1$cluster <- hierdat$studyid | |
RobustResults(meta1) | |
# difference in weighting in the metafor model | |
meta2 <- rma.mv(yi = effectsize ~ males + binge, | |
V = var, random = list(~ 1 | esid, ~ 1 | studyid), | |
sigma2 = c(HTJ$omega.sq, HTJ$tau.sq), | |
data = hierdat) | |
RobustResults(meta2) | |
# estimate the variance components in metafor | |
meta3 <- rma.mv(yi = effectsize ~ males + binge, | |
V = var, random = list(~ 1 | esid, ~ 1 | studyid), | |
data = hierdat, | |
method = "REML") | |
meta3 | |
RobustResults(meta3) |
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