metaumbrella (version 1.1.0)

drop.evidence: Remove evidence classes from an object of class “umbrella”

Description

This function removes evidence classes previously created from an object of class “umbrella”

Usage

drop.evidence(x)

Value

Return an object of class “umbrella” with the evidence classes dropped.

Arguments

x

an object of class “umbrella”

References

Fusar-Poli, P., & Radua, J. (2018). Ten simple rules for conducting umbrella reviews. Evidence-Based Mental Health, 21, 95-100.

See Also

umbrella() for conducting an umbrella review.

Examples

### perform calculations required for an umbrella review
umb.full <- umbrella(df.SMD)

### stratify evidence according to the algorithmic GRADE criteria
evid_grade <- add.evidence(umb.full, criteria = "GRADE")
is.na(evid_grade$Pharmacological$evidence)

evid_empty <- drop.evidence(evid_grade)
is.na(evid_empty$Pharmacological$evidence)