range.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}
{* 30nov2004}{...}
{cmd:help range} {right:dialog:  {bf:{dialog range}}}
{hline}

{title:Title}

{p2colset 5 18 21 2}{...}
{p2col :{hi:[D] range} {hline 2}}Generate numerical range{p_end}
{p2colreset}{...}


{title:Syntax}

{p 8 14 2}
{cmd:range} {varname} {it:#first} {it:#last} [{it:#obs}]


{title:Description}

{pstd}
{cmd:range} generates a numerical range, which is useful for evaluating and
graphing functions.


{title:Examples}

{phang}{cmd:. drop _all} {space 21} (clear data){p_end}
{phang}{cmd:. range x 0 12.56 100} {space 11} (create 100 obs on x, 0 to 4*pi){p_end}
{phang}{cmd:. gen y = exp(-x/6)*sin(x)} {space 6} (create y = f(x)){p_end}
{phang}{cmd:. line y x} {space 22} (graph the function)


{title:Also see}

{psee}
Manual:  {bf:[D] range}

{psee}
Online:  {helpb egen}, {helpb obs}
{p_end}