[R] plot shows exponential values incompatible with data

[Luigi Marongiu]

Thank you,
but why it does not work in linear? With the log scale, I know it
works but I am not looking for it; is there a way to force a linear
scale?
Regards
Luigi

On Thu, Jul 9, 2020 at 3:44 PM Fox, John <jfox using mcmaster.ca> wrote:
>
> Dear Luigi,
>
> > On Jul 9, 2020, at 8:59 AM, Luigi Marongiu <marongiu.luigi using gmail.com> wrote:
> >
> > Hello,
> > I have these vectors:
> > ```
> > X <- 1:7
> > Y <- c(1438443863, 3910100650, 10628760108, 28891979048, 78536576706,
> > 213484643920, 580311678200)
> > plot(Y~X)
> > ```
> > The y-axis starts at 0e0, but the first value is 1.4 billion. Why the
> > axis does not start at 1e9?
>
> Because you're plotting on a linear, not log, scale, and 0*10^11 = 0.
>
> > round(Y/1e11)
> [1] 0 0 0 0 1 2 6
>
> Then try plot(log(Y) ~ X).
>
> I hope this helps,
>  John
>
>   -----------------------------
>   John Fox, Professor Emeritus
>   McMaster University
>   Hamilton, Ontario, Canada
>   Web: http::/socserv.mcmaster.ca/jfox
> >
> >
> >
> > --
> > Best regards,
> > Luigi
> >
> > ______________________________________________
> > R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
> > https://stat.ethz.ch/mailman/listinfo/r-help
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> > and provide commented, minimal, self-contained, reproducible code.
>


-- 
Best regards,
Luigi