Get the groups (right hand side after the | from a PKNCA object).

Get the groups (right hand side after the | from a PKNCA object).

# S3 method for class 'PKNCAconc'
getGroups(
  object,
  form = stats::formula(object),
  level,
  data = as.data.frame(object),
  sep
)

# S3 method for class 'PKNCAdata'
getGroups(object, ...)

# S3 method for class 'PKNCAdose'
getGroups(...)

# S3 method for class 'PKNCAresults'
getGroups(
  object,
  form = formula(object$data$conc),
  level,
  data = object$result,
  sep
)

Arguments

object: The object to extract the data from
form: The formula to extract the data from (defaults to the formula from object)
level: optional. If included, this specifies the level(s) of the groups to include. If a numeric scalar, include the first level number of groups. If a numeric vector, include each of the groups specified by the number. If a character vector, include the named group levels.
data: The data to extract the groups from (defaults to the data from object)
sep: Unused (kept for compatibility with the nlme package)
...: Arguments passed to other getGroups functions

Value

A data frame with the (selected) group columns.