Function reference • dmetar

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

S3 methods

forest(<find.outliers>): Print, summary and plot methods for objects created using 'dmetar' functions

forest(<subgroup.analysis.mixed.effects>): Print, summary and plot methods for objects created using 'dmetar' functions

plot(<InfluenceAnalysis>): Print, summary and plot methods for objects created using 'dmetar' functions

plot(<direct.evidence.plot>): Print, summary and plot methods for objects created using 'dmetar' functions

plot(<eggers.test>): Print, summary and plot methods for objects created using 'dmetar' functions

plot(<find.outliers>): Print, summary and plot methods for objects created using 'dmetar' functions

plot(<gosh.diagnostics>): Print, summary and plot methods for objects created using 'dmetar' functions

plot(<mlm.variance.distribution>): Print, summary and plot methods for objects created using 'dmetar' functions

plot(<multimodel.inference>): Print, summary and plot methods for objects created using 'dmetar' functions

plot(<power.analysis>): Print, summary and plot methods for objects created using 'dmetar' functions

plot(<power.analysis.subgroup>): Print, summary and plot methods for objects created using 'dmetar' functions

plot(<subgroup.analysis.mixed.effects>): Print, summary and plot methods for objects created using 'dmetar' functions

plot(<sucra>): Print, summary and plot methods for objects created using 'dmetar' functions

print(<InfluenceAnalysis>): Print, summary and plot methods for objects created using 'dmetar' functions

print(<NNT>): Print, summary and plot methods for objects created using 'dmetar' functions

print(<direct.evidence.plot>): Print, summary and plot methods for objects created using 'dmetar' functions

print(<eggers.test>): Print, summary and plot methods for objects created using 'dmetar' functions

print(<find.outliers>): Print, summary and plot methods for objects created using 'dmetar' functions

print(<gosh.diagnostics>): Print, summary and plot methods for objects created using 'dmetar' functions

print(<mlm.variance.distribution>): Print, summary and plot methods for objects created using 'dmetar' functions

print(<multimodel.inference>): Print, summary and plot methods for objects created using 'dmetar' functions

print(<pcurve>): Print, summary and plot methods for objects created using 'dmetar' functions

print(<power.analysis>): Print, summary and plot methods for objects created using 'dmetar' functions

print(<power.analysis.subgroup>): Print, summary and plot methods for objects created using 'dmetar' functions

print(<subgroup.analysis.mixed.effects>): Print, summary and plot methods for objects created using 'dmetar' functions

print(<sucra>): Print, summary and plot methods for objects created using 'dmetar' functions

summary(<InfluenceAnalysis>): Print, summary and plot methods for objects created using 'dmetar' functions

summary(<direct.evidence.plot>): Print, summary and plot methods for objects created using 'dmetar' functions

summary(<eggers.test>): Print, summary and plot methods for objects created using 'dmetar' functions

summary(<find.outliers>): Print, summary and plot methods for objects created using 'dmetar' functions

summary(<gosh.diagnostics>): Print, summary and plot methods for objects created using 'dmetar' functions

summary(<mlm.variance.distribution>): Print, summary and plot methods for objects created using 'dmetar' functions

summary(<multimodel.inference>): Print, summary and plot methods for objects created using 'dmetar' functions

summary(<pcurve>): Print, summary and plot methods for objects created using 'dmetar' functions

summary(<power.analysis>): Print, summary and plot methods for objects created using 'dmetar' functions

summary(<power.analysis.subgroup>): Print, summary and plot methods for objects created using 'dmetar' functions

summary(<subgroup.analysis.mixed.effects>): Print, summary and plot methods for objects created using 'dmetar' functions

Package

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