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'