help labundef
-------------------------------------------------------------------------------

Title

     labundef -- List undefined value lables


Syntax

        labundef [, detach[(varlist)] ]


Description

    labundef lists undefined value labels attached to variables in the
    current dataset.


Options

    detach[(varlist)] detaches undefined value labels from varlist. If no
        varlist is specified any undefined value label is detached from any
        variable using it.


Example

        . sysuse auto
        . label values rep78 foo
        . labudef


Saved results

    labundef saves the following in r():

    Macors
      r(labels)      undefined value lables
      r(lblname)     varlist that has lblname attached


Author

    Daniel Klein, University of Bamberg, klein.daniel.81@gmail.com


Also see

    Online: label

    if installed: labdtch, labutil2