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From |
Nick Winter <nw53@cornell.edu> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: generating one twoway graph using by |

Date |
Fri, 24 Sep 2004 10:49:19 -0400 |

Nick Cox suggested three good, more-or-less pre-packaged solutions.

Another way to go, which generalizes to other cases where one needs to generate multiple graph statements, might be something like this:

levels PID , local(levs)

foreach val of local levs {

local cmd `cmd' (line ivalue idate if PID==`val')

}

graph twoway `cmd' , legend(off)

This builds up your (massive) list of graph commands in a loop, then executes them all at the end.

I'm not sure that plotting all 200 in one graph will generate anything comprehensible, but it can be done . . .

--Nick Winter

At 10:27 AM 9/24/2004 -0400, you wrote:

--------------------------------------------------------Hello all, I am trying to make a line plot of many individuals values over time in one graph. I am hoping that there is someway to shortcut around the syntax of -twoway- using -by- such that I do not need to specify all individuals (I have nearly 200). I started with twoway (line ivalue idate, by(PID)) but that gave 200 individual graphs. so did twoway (line ivalue idate), by(PID) but that gave the same thing. I am hoping to avoid needing to write twoway (line ivalue idate if PID==1) (line ivalue idate if PID==2) ...... Should I stop hopeing, and start writing? Thanks in Advance, Dan Egan * * For searches and help try: * http://www.stata.com/support/faqs/res/findit.html * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

Nicholas Winter 607.255.8819 t

Assistant Professor 607.255.4530 f

Department of Government nw53@cornell.edu e

308 White Hall falcon.arts.cornell.edu/nw53 w

Cornell University

Ithaca, NY 14853-4601

*

* For searches and help try:

* http://www.stata.com/support/faqs/res/findit.html

* http://www.stata.com/support/statalist/faq

* http://www.ats.ucla.edu/stat/stata/

**Follow-Ups**:**Re: st: generating one twoway graph using by***From:*Daniel Egan <dp.egan@gmail.com>

**References**:**st: generating one twoway graph using by***From:*Daniel Egan <dp.egan@gmail.com>

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