Did you verify that the correct percentages were above/below the regression lines? I did a quick check and for example did not consistently get 50% of the observed response values greater than the tau=.5 line. I did when I included the nonzero intercept term.
> Date: Mon, 5 Oct 2015 21:14:04 +0530 > From: Preetam Pal <[email protected]> > To: stephen sefick <[email protected]> > Cc: "[email protected]" <[email protected]> > Subject: Re: [R] Quantile Regression without intercept > Message-ID: <[email protected]> > Content-Type: text/plain; charset="UTF-8" > > Yes..it works. .... Thanks ?? > > -----Original Message----- > From: "stephen sefick" <[email protected]> > Sent: ?05-?10-?2015 09:01 PM > To: "Preetam Pal" <[email protected]> > Cc: "[email protected]" <[email protected]> > Subject: Re: [R] Quantile Regression without intercept > > I have never used this, but does the formula interface work like lm? Y~X-1? > > > On Mon, Oct 5, 2015 at 10:27 AM, Preetam Pal <[email protected]> > wrote: > > Hi guys, > > Can you instruct me please how to run quantile regression without the > intercept term? I only know about the rq function under quantreg package, > but it automatically uses an intercept model. Icant change that, it seems. > > I have numeric data on Y variable (Gdp) and 2 X variables (Hpa and > Unemployment). Their sizes are 125 each. > > Appreciate your help with this. > > Regards, > Preetam > [[alternative HTML version deleted]] > > ______________________________________________ > [email protected] mailing list -- To UNSUBSCRIBE and more, see > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > > > > > > > -- > > Stephen Sefick > ************************************************** > Auburn University > Biological Sciences > 331 Funchess Hall > Auburn, Alabama > 36849 > ************************************************** > [email protected] > http://www.auburn.edu/~sas0025 > ************************************************** > > Let's not spend our time and resources thinking about things that are so > little or so large that all they really do for us is puff us up and make us > feel like gods. We are mammals, and have not exhausted the annoying little > problems of being mammals. > > -K. Mullis > > "A big computer, a complex algorithm and a long time does not equal > science." > > -Robert Gentleman > [[alternative HTML version deleted]] > > > > [[alternative HTML version deleted]] ______________________________________________ [email protected] mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
