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From |
"G. Dai" <dgecon@gmail.com> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: how to draw several kdensity curves in one graph |

Date |
Tue, 2 Mar 2010 14:21:46 -0800 |

thanks, Chris and Martin. It works well. Guang On Tue, Mar 2, 2010 at 1:56 PM, Martin Weiss <martin.weiss1@gmx.de> wrote: > > <> > > " Possibly this is the command you would want to use > for more recent versions of Stata, but I am not sure." > > > > > Nope, yours still works fine, even though the -twoway- version would > probably be preferred these days. Stata 11 processes this w/o complaining: > > > ******* > > clear* > set obs 5 > gen byte year=_n > expand 1000 > gen var=rchi2(5)+year > kdensity var if (year==1), plot(kdensity var if /// > (year==2)||kdensity var if (year==3)) legend(ring(0) pos(2) /// > label(1 "1999") label(2 "1989") label(3 "1979") ) > ******* > > > HTH > Martin > > > -----Original Message----- > From: owner-statalist@hsphsun2.harvard.edu > [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Christopher > Hajzler > Sent: Dienstag, 2. März 2010 22:53 > To: statalist@hsphsun2.harvard.edu > Subject: Re: st: how to draw several kdensity curves in one graph > > I should have mentioned one more thing: I use an older version of > Stata (Stata 8), but when I was researching commands, some > instructions mentioned "addplot" instead of just plot, but this did > not work for me. Possibly this is the command you would want to use > for more recent versions of Stata, but I am not sure. > > On Wed, Mar 3, 2010 at 10:49 AM, Christopher Hajzler <chajzler@gmail.com> > wrote: > > Hi Guang, > > > > Coincidentally, I was just wrestling with the same thing myself > > yesterday. Here is the command I used: > > > > kdensity var if (year==1999), plot(kdensity var if > > (year==1989)||kdensity var if (year==1979)) legend(ring(0) pos(2) > > label(1 "1999") label(2 "1989") label(3 "1979") ) > > > > Hope this helps! > > > > Chris > > > > On Wed, Mar 3, 2010 at 10:48 AM, Christopher Hajzler <chajzler@gmail.com > > > wrote: > >> > >> Hi Guang, > >> > >> Coincidentally, I was just wrestling with the same thing myself > yesterday. Here is the command I used: > >> > >> kdensity var if (year==1999), plot(kdensity var if > (year==1989)||kdensity > var if (year==1979)) legend(ring(0) pos(2) label(1 "1999") label(2 "1989") > label(3 "1979") ) > >> > >> Hope this helps! > >> > >> Chris > >> > >> On Wed, Mar 3, 2010 at 10:04 AM, G. Dai <dgecon@gmail.com> wrote: > >>> > >>> dear all, > >>> I have income observation from several different years. For each year, > I > >>> can > >>> easily draw a density curve by using kdensity. however, I'd like to > have > the > >>> distribution > >>> curves for different years on the same graph. how can I achieve that? > >>> regards, > >>> Guang > >>> > >>> * > >>> * 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/ > > > > * > * 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/ > > > * > * 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/ > * * 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: how to draw several kdensity curves in one graph***From:*"G. Dai" <dgecon@gmail.com>

**Re: st: how to draw several kdensity curves in one graph***From:*Christopher Hajzler <chajzler@gmail.com>

**Re: st: how to draw several kdensity curves in one graph***From:*Christopher Hajzler <chajzler@gmail.com>

**Re: st: how to draw several kdensity curves in one graph***From:*Christopher Hajzler <chajzler@gmail.com>

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