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From |
"Sarah Tougher" <Sarah.Tougher@lshtm.ac.uk> |

To |
"lreine ycenna" <lreine.ycenna@gmail.com>, <statalist@hsphsun2.harvard.edu> |

Subject |
Re: st: axis bar starting from 0 on graph (not the label) (Out of office) |

Date |
Thu, 20 Oct 2011 10:40:53 +0100 |

I am out of the office until November 7th. I have intermittent access to email, but will try to return your message as soon as possible. >>> lreine ycenna <lreine.ycenna@gmail.com> 10/20/11 10:39 >>> OK thanks. Do you happen to know why sometimes the straight line in the inner region of the graph is not as straight as it should be? On 20 October 2011 09:15, Nick Cox <njcoxstata@gmail.com> wrote: > Yes and no. You can always add a line at y = 0 by -yline()- and make > that as emphatic as you like by varying its width and colour. > Making this a light line and the background a little darker can work > as well as making this a dark line against a light background. > > You would have to fight Stata every stop of the way if you wanted to > move axis labels, ticks and titles. You'd need to re-create your own. > Stata's bias is that although people do sometimes want axes running > through the graph, they usually end up very messy, so it won't play > willingly. Most statistical software seems to have moved away from the > conventions that the axes must be the lines y = 0, x = 0 as high > school algebra insists and to separate out the functions of titling, > labelling and ticking from showing where the zero lines are. > > That does not rule out something clever with the Editor or Stata's > class language, except that I don't know what it is. > > If you have access to MS Excel, what you want is I think the default > any way, as is all too evident from work I often see. The essence of > the problem is that if data points or line can be negatives they often > collide with axis stuff. > > See also > > http://www.stata-journal.com/article.html?article=gr0043 > > There have been postings on this in the past, but I didn't find them > on a quick search of the archives. > > Nick > > On Thu, Oct 20, 2011 at 6:11 AM, lreine ycenna <lreine.ycenna@gmail.com> wrote: >> HI, >> Is it possible to have the axis line start from where 0 is on the >> y-axis? (I'm not talking about labeling my x-axis from 0, but the >> x-axis bar) i.e. I have both positive and negative values on my y-axis >> and currently the x-xaxis bar starts from the very bottom end of my >> y-axis which is negative. Here's the command I use. >> >> xtreg Y A B AxB, fe >> generate income=((_n-1)/10) >> matrix b=e(b) >> matrix V=e(V) >> scalar b1=b[1,1] >> scalar b2=b[1,2] >> scalar b3=b[1,3] >> scalar varb1=V[1,1] >> scalar varb2=V[2,2] >> scalar varb3=V[3,3] >> scalar covb1b3=V[1,3] >> scalar covb2b3=V[2,3] >> scalar list b1 b2 b3 varb1 varb2 varb3 covb1b3 covb2b3 >> gen lab=b1+b3*income >> gen conse=sqrt(varb1+varb3*(income^2)+2*covb1b3*income) >> gen a=1.96*conse >> gen upper=conb+a >> gen lower=conb-a >> graph twoway (line lab income, clwidth(medium) clcolor(blue) clcolor(black)) > > * > * 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/

**Follow-Ups**:**st: how to use "margins" after "mi estimate"***From:*Rosie Chen <jiarongchen2002@yahoo.com>

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