Simple check on the grouping variable
Usage
check.valid.groups(
group.var = NULL,
data.df = NULL,
cor.vars = NULL,
verbose = FALSE
)
Arguments
- group.var
Name of grouping variable.
- data.df
data frame of all variables including the variable specified in group.var as factor.
- cor.vars
Name(s) of variables to which the grouping should be applied to.
- verbose
when TRUE additional information is printed. Defaults to FALSE.
Value
list with data.df, indexes of variables to which the grouping should be applied to and the associated group for each observation as integer.
