unique.SNOMEDconcept: Unique vector of SNOMED CT concepts

In Rdiagnosislist: Manipulate SNOMED CT Diagnosis Lists

Unique vector of SNOMED CT concepts

Description

SNOMEDconcept is an S3 class for vectors of SNOMED concept IDs as 64-bit integers. This function returns a vector containing only unique SNOMEDconcept values.

Usage

## S3 method for class 'SNOMEDconcept'
unique(x, ...)

Arguments

x	SNOMEDconcept vector
...	other variables to pass on to the underlying 'unique' function

Value

SNOMEDconcept vector with duplicates removed

See Also

Other SNOMEDconcept functions: as.data.frame.SNOMEDconcept(), c.SNOMEDconcept(), is.SNOMEDconcept(), print.SNOMEDconcept(), union.SNOMEDconcept()

Examples

hf <- SNOMEDconcept('Heart failure', SNOMED = sampleSNOMED())
hf2 <- c(hf, hf)
unique(hf2)

Rdiagnosislist documentation built on April 4, 2025, 2:41 a.m.