drop.evidence {metaumbrella}

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)

Arguments

x

an object of class “umbrella”

Value

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

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)