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 PKNCAconc
getGroups(object, form = formula(object), level, data = getData(object), sep)

# S3 method for PKNCAdose
getGroups(...)

# S3 method for 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.