# st: RE: Graphing zero on Y = the bottom line for X & more

 From "Nick Cox" To Subject st: RE: Graphing zero on Y = the bottom line for X & more Date Wed, 21 Jan 2004 17:38:47 -0000

```, plotregion(margin(none)) ?

Nick
n.j.cox@durham.ac.uk

SamL
>
> Stata 8.0 on Linux defaults are for the zero point on the y
> axis to be
> slightly raised, so that the x axis does not actually meet
> up at visual
> (0,0).  I am sure there are stylistic reasons for this, but
> what I want to
> do is have the visual corner of the figure/graph (x,y) to
> be (0,0).  I
> want a similar fix for 1.0, which I want to be the top (and
> end) of the
> graph.
>
> I am graphing a probability (y-axis) by year (x-axis).  I
> want the highest
> visible value in the graph to be 1 (certain yes) and the
> lowest visible
> value in the graph to be 0 (certain no).  Visually, as the
> lines get close
> to zero or one, this implication (of nearing (but not
> reaching) certainty)
> gets lost because of the buffer created in the graph.
> Thus, I want to get
> rid of that buffer, so it will more easily indicate just
> how close and how
> far away one is from the limits of the probabilities.
>
> Any assistance in this matter is greatly appreciated.
>
> For more info, I have copied a bit of code that graphs some
> data, to show
> what I am doing, and that I already have a bunch of bells
> and whistles
> going, which will mean integrating this new feature into
> the existing
> code.  I use ";" as the end of command, so that is present but means
> little in this context.
>
> ==============part of a graphing job below =======
>
> set scheme s2mono;
>
> graph twoway line savmar savsing year, yscale(r(0 1.00))
>  ylabel(0(.1)1)
>  xlabel(1975(5)2000)
>  ytitle("Probability of Saving More Than 10% of Income")
>  xtitle("Year")
> title("Figure 1.2.6--Probability of Saving More Than 10% of Income,"
>  "by Marital Status")
>  clpattern("l" "-")
>  legend(label(1 "Married") label(2 "Not Married")) ;
>
> ====end of the part of the graphing job, above======

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