copy_labels             Copy variable and value labels and SPSS style
                        missing value
labelled                Create a labelled vector.
labelled_spss           Create a labelled vector with SPSS style of
                        missing values.
look_for                Look for keywords variable names and
                        descriptions
mean.haven_labelled     Arithmetic mean for numeric labelled vectors
na_values               Get / Set SPSS missing values
nolabel_to_na           Recode values with no label to NA
recode.haven_labelled   Recode values
remove_attributes       Remove attributes
remove_labels           Remove variable label, value labels and user
                        defined missing values
sort_val_labels         Sort value labels
tagged_na               "Tagged" missing values
to_character            Convert input to a character vector
to_factor               Convert input to a factor.
to_labelled             Convert to labelled data
update_labelled         Update labelled data to version 2.0.0
val_labels              Get / Set value labels
val_labels_to_na        Recode value labels to NA
var_label               Get / Set a variable label
