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Effect size calculation

NNT()
Calculate the number needed to treat (NNT)
se.from.p()
Calculate the standard error from the effect size and p-value
pool.groups()
Pool the results of two treatment arms

Small-study effects & Publication bias

eggers.test()
Perform Egger's test of the intercept
find.outliers()
Find Statistical Outliers in a Meta-Analysis
InfluenceAnalysis()
Influence Diagnostics
gosh.diagnostics()
Identify studies contributing to heterogeneity patterns found in GOSH plots
pcurve()
Perform a p-curve analysis

Power analysis

power.analysis()
A priori power calculator
power.analysis.subgroup()
A priori power calculator for subgroup contrasts

Meta-regression & Subgroups

multimodel.inference()
Perform multimodel inference with a meta-regression model
subgroup.analysis.mixed.effects()
Subgroup analysis using a mixed-effects model

Multilevel Meta-Analysis

mlm.variance.distribution()
Calculate I-squared values and variance distribution for multilevel meta-analysis models

Network Meta-Analysis

direct.evidence.plot()
Plot for direct evidence proportions in a network meta-analysis using netmeta
sucra()
Calculate the Surface Under the Cumulative Ranking score of from a network meta-analysis

Risk of bias

rob.summary()
Create a RevMan-style risk of bias summary chart

Data sets

BdiScores
BDI-II and HAM-D Scores in Clinical Depression Trials
Chernobyl
Ionizing Radiation from Chernobyl and Mutation Rates in Humans dataset
DepressionMortality
Effect of Depression on All-Cause Mortality
EatingDisorderPrevention
Prevention of Eating Disorders at Universities dataset
HealthWellbeing
Association of Health and Well-being dataset
m.gosh
GOSH plot dataset
MVRegressionData
Toy Dataset for Multivariate Meta-Regression
NetDataGemtc
Toy Dataset for Network Meta-Analyses using the gemtc package
NetDataNetmeta
Toy Dataset for Network Meta-Analysis using the netmeta package
OpioidMisuse
Prevalence of Prescription Opioid Misuse in US Adolescents and Young Adults dataset
SleepProblems
Factor Structure of Sleep Complaints data set
SuicidePrevention
Effects of Suicide Prevention on Suicidal Ideation (toy dataset)
TherapyFormats
Differential Effects of Cognitive Behavioral Therapy Delivery Formats in Depressive Patients dataset
TherapyFormatsGeMTC
Differential Effects of Cognitive Behavioral Therapy Delivery Formats in Depressive Patients dataset
ThirdWave
'Third-Wave' cognitive behavioral interventions for perceived stress in college students dataset

Package

dmetar
dmetar: Companion R package for the guide 'Doing Meta-Analysis in R'