dat.ha {altmeta}

A Meta-Analysis on the Effect of Placebo Interventions for All Clinical Conditions Regarding Patient-Reported Outcomes

Description

This meta-analysis serves as an example to illustrate function usage in the package altmeta.

Usage

data("dat.ha")

Format

A data frame containing 109 studies with the observed effect sizes and their within-study variances.

y

the observed effect size for each collected study in the meta-analysis.

s2

the within-study variance for each study.

Source

Hrobjartsson A, Gotzsche PC (2010). "Placebo interventions for all clinical conditions." Cochrane Database of Systematic Reviews, 1. Art. No.: CD003974. <doi: 10.1002/14651858.CD003974.pub3>