Get subjects from given samples

Get subjects from given samples

Usage

getSubjectFromSample(sampleId, patientId = NULL, na = FALSE, sampleInfo = NULL)

Arguments

sampleId

Character: sample identifiers

patientId

Character: subject identifiers to filter by (optional; if a matrix or data frame is given, its rownames will be used to infer the subject identifiers)

na

Boolean: return NA for samples with no matching subjects

sampleInfo

Data frame or matrix: sample information containing the sample identifiers as rownames and a column named "Subject ID" with the respective subject identifiers

Value

Character: subject identifiers corresponding to the given samples

See also

Other functions for data grouping: createGroupByAttribute(), getGeneList(), getSampleFromSubject(), groupPerElem(), plotGroupIndependence(), testGroupIndependence()

Examples

samples <- paste0("GTEX-", c("ABC", "DEF", "GHI", "JKL", "MNO"), "-sample")
getSubjectFromSample(samples)
#> GTEX-ABC-sample GTEX-DEF-sample GTEX-GHI-sample GTEX-JKL-sample GTEX-MNO-sample 
#>      "GTEX-ABC"      "GTEX-DEF"      "GTEX-GHI"      "GTEX-JKL"      "GTEX-MNO" 

# Filter returned samples based on available subjects
subjects <- paste0("GTEX-", c("DEF", "MNO"))
getSubjectFromSample(samples, subjects)
#> GTEX-DEF-sample GTEX-MNO-sample 
#>      "GTEX-DEF"      "GTEX-MNO"