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Re: st: twoway line
From
Nick Cox <[email protected]>
To
[email protected]
Subject
Re: st: twoway line
Date
Tue, 4 Sep 2012 11:35:08 +0100
It could be just that you need to swap -yaxis(1)- and -yaxis(2)-. Note
that -xaxis(1)- is not needed at all.
Sometimes it helps to shift by a constant and then fix the y axis labels.
clear
set obs 20
gen year = _n + 1989
gen y1 = 4 * (rnormal() - 0.5)
gen y2 = 125 + 10 * (rnormal() - 0.5)
gen y3 = y2 - 80
label var y3 "y2"
line y1 y3 year, lcolor(orange blue) yaxis(1 2) ylabel(-10(5)10,
labcolor(orange) axis(1)) ///
ylabel(20 "100" 30 "110" 40 "120" 50 "130" 60 "140", labcolor(blue) axis(2))
Nick
On Tue, Sep 4, 2012 at 11:08 AM, Lynn Lee <[email protected]> wrote:
> I am trying to draw two variables in one graph, with each variable having
> its own scale. For example, value of var1 ranges from 100 to 150, value of
> var2 from -10 to 10. So, this graph has two y-axes. My command is
> "twoway line(var1 year,yaxis(1 2) xaxis(1)) (line var2 year),
> ylabel(100(10)150,axis(1) angle(0)) ylabel(-10(5)10,axis(2) angle(0)) " . I
> also tried "twoway line(var1 year,yaxis(1 2) xaxis(1)) (line var2 year),
> yscale(axis(1) range(100 150)) yscale(axis(2) range(-10 10))
> ylabel(100(10)150,axis(1) angle(0)) ylabel(-10(5)10,axis(2) angle(0)) ". But
> the graph shows var1 on the top, var2 at the bottom, since Stata takes the
> -10 value as default starting scale for var1, and 150 as default max scale
> for var2. In this case, the time trend of variables are not clear. My
> question is, how to set the scale to let each variable having its own
> stating and max scales, then, the time trend of will be shown in the middle
> of the graph?
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