svy_notes_common.ihlp

是一个经济学管理应用软件 很难找的 但是经济学学生又必须用到

{* 18mar2005}{...}
{p 4 6 2}
{cmd:svy} requires that the survey design variables are identified using
{cmd:svyset}; see {helpb svyset}.
{p_end}
{p 4 6 2}
{cmd:xi} is allowed; see {helpb xi}.
{p_end}
{p 4 6 2}
See {help estcom} for additional capabilities of estimation commands.
{p_end}
{p 4 6 2}
Warning:  Use of {it:if} or {it:in} restrictions will not produce correct
variance estimates for subpopulations in many cases.  To compute estimates
for subpopulations, use the {cmd:subpop()} option.
The full specification for {opt subpop()} is
{p_end}
{pmore2}
{opt sub:pop}{cmd:(}[{varname}] [{help if}]{cmd:)}
{p_end}