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From |
Nick Cox <[email protected]> |

To |
[email protected] |

Subject |
Re: st: vertical lines between two co-ordinates in graph |

Date |
Thu, 29 Sep 2011 11:10:13 +0100 |

Here's one way to do it gen my94 = 94 gen my0 = 0 gen x2 = 4 twoway (function y = 94 , range(0 4) )/* */ (function y = x^2 + 14*x + 22, range(0 7.5) ) /* */ (function y = -x^2 - 10*x + 150, range(0 7.5) ) /* */ (rspike my94 my0 x2, legend(off)) and another twoway (function y = 94 , range(0 4) )/* */ (function y = x^2 + 14*x + 22, range(0 7.5) ) /* */ (function y = -x^2 - 10*x + 150, range(0 7.5) ) /* */ (scatteri 94 4 0 4, recast(line) legend(off)) Nick On Thu, Sep 29, 2011 at 10:57 AM, Marco Ercolani <[email protected]> wrote: > Can Stata draw a vertical line between two co-ordinates of a graph? I need to do this for numerous graphs so I don't want to do it manually using a graph editor. > > I need a line that starts at the intersection of two curves and reaches down to the horizontal axis. For the example below, I can draw a horizontal line at y=94 for x= 0 to 4 but not the vertical line at x=4 for y= 0 to 94. > > twoway (function y = 94 , range(0 4) )/* > */ (function y = x^2 + 14*x + 22, range(0 7.5) ) /* > */ (function y = -x^2 - 10*x + 150, range(0 7.5) ), /* > */ legend(off) * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**References**:**st: vertical lines between two co-ordinates in graph***From:*Marco Ercolani <[email protected]>

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