phenoData

Retrieve information on experimental phenotypes recorded in eSet and ExpressionSet-derived classes.

These generic functions access the phenotypic data (e.g., covariates) and meta-data (e.g., descriptions of covariates) associated with an experiment.

Keywords
manip
Usage
phenoData(object) phenoData(object) <- value varLabels(object) varLabels(object) <- value varMetadata(object) varMetadata(object) <- value pData(object) pData(object) <- value
Arguments
object
Object, possibly derived from eSet-class or AnnotatedDataFrame.
value
Value to be assigned to corresponding object.
Value

phenoData returns an object containing information on both variable values and variable meta-data. varLabels returns a character vector of measured variables. pData returns a data frame with samples as rows, variables as columns. varMetadata returns a data frame with variable names as rows, description tags (e.g., unit of measurement) as columns.

See Also

eSet-class, ExpressionSet-class, SnpSet-class

Aliases
  • phenoData
  • phenoData<-
  • varLabels
  • varLabels<-
  • varMetadata
  • varMetadata<-
  • pData
  • pData<-
Documentation reproduced from package Biobase, version 2.26.0, License: Artistic-2.0

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