{smcl}
{* 21Nov2008}{...}
{cmd:help wfmissing}: Suggested uses for extended missing values
{hline}

{p2colset 4 10 10 2}{...}
{title:Suggested meanings for extended missing values}

{p2col:{bf:.}}Sysmiss; unspecified reason for missing data.{p_end}
{p2col:{bf:.d}}Don't know.{p_end}
{p2col:{bf:.l}}Do not use since easy to confuse with 1 (one).{p_end}
{p2col:{bf:.n}}Not applicable, such as only adults were asked question.{p_end}
{p2col:{bf:.p}}Preliminary (i.e., lead in) question refused.{p_end}
{p2col:{bf:.r}}Refused to answer.{p_end}
{p2col:{bf:.s}}Skipped due to skip pattern.{p_end}
{p2col:{bf:.t}}Technical problem such as read error on mark sense form.{p_end}

{title:Also see}

    {helpb wf:Workflow}
INCLUDE help wf_footer