Re: st: tsline: narrowing the range using range()

[Nick Cox <njcoxstata@gmail.com>]

See http://www.stata.com/support/faqs/graphics/scale-breaks/ (second part)
Nick
njcoxstata@gmail.com


On 22 August 2013 21:15, Daniel Pollmann <pollmann@fas.harvard.edu> wrote:
> I am plotting a time series using tsline. The time series takes values in
> [0,100], but I would like to restrict the range of the y-axis to [0,20], such
> that the time series would spike out of the plot at some point and return
> later.
>
> The following code does not enforce the specified plot range when it is not a
> superset of the range of the data:
>
> tsline myseries, yscale(range(0 20))
>
> In other words, if I have data points equal to 100, Stata widens the range
> automatically to accommodate these points. Winter (Stata J., 2005) describes
> the problem:
>
> "To determine the range of an axis, Stata begins with the minimum and maximum
> of the data. Then it will widen (but never narrow) the axis range as instructed
> by
> range(). Finally, it will widen the axis if necessary to accommodate any axis
> labels."
>
> (http://www.stata-journal.com/sjpdf.html?articlenum=gr0019)
>
> I would like to be able to narrow the axis range, either using range() or some
> other way. If there is an intended way to do this, it would be great to hear
> about it, but I am also open to creative fixes and hacks. I've tried censoring
> and truncating the data myself, but neither option produces nice-looking
> results.
>
> Thanks,
>
> Daniel
>
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