is_svy.hlp

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

{smcl}
{* 10mar2005}{...}
{cmd:help is_svy}{right:also see:  {help undocumented}}
{hline}

{title:Title}

{p 4 16 2}
{hi:is_svy} {hline 2} Determine if the last estimation command belongs to the
svy class


{title:Syntax}

	{cmd:is_svy} [{cmd:,} {cmdab:r:egression}]


{title:Description}

{pstd}
{cmd:is_svy} returns in {cmd:r(is_svy)} whether (1) or not (0) the last
estimation command belongs to the class of {hi:svy} commands.  Note that
{hi:svy} treats both "summary commands" such as {cmd:svymean} and
regression type commands such as {cmd:svyregress} as estimation commands.


{title:Option}

{phang}
{cmd:regression} specifies that {cmd:r(is_svy)} indicates
whether or not the last estimation command is a {hi:svy} regression
command.


{title:Also see}

    Online:  {helpb svy}