Re: [R] "Raw" histogram plots

From: Peter Alspach <PAlspach_at_hortresearch.co.nz>
Date: Wed, 27 Feb 2008 14:15:48 +1300

Andre

If I understand you correctly, you could try a barplot() on the result of table().

HTH ...... Peter Alspach  

> -----Original Message-----
> From: r-help-bounces_at_r-project.org
> [mailto:r-help-bounces_at_r-project.org] On Behalf Of Andre Nathan
> Sent: Wednesday, 27 February 2008 1:34 p.m.
> To: roger koenker
> Cc: r-help
> Subject: Re: [R] "Raw" histogram plots
>
> I know about stem, but the data set has 1 million points, so
> it's not very useful here. I want to avoid binning just to
> have an idea about the shape of the distribution, before
> deciding how I'll bin it.
>
> Andre
>
> On Tue, 2008-02-26 at 16:20 -0600, roger koenker wrote:
> > take a look at
> >
> > ?stem
> >
> > There is still a place for handtools in the age of integrated
> > circuits. Of course, avoiding binning isn't really desirable.
> >
> > url: www.econ.uiuc.edu/~roger Roger Koenker
> > email rkoenker_at_uiuc.edu Department of Economics
> > vox: 217-333-4558 University of Illinois
> > fax: 217-244-6678 Champaign, IL 61820
> >
> >
> > On Feb 26, 2008, at 4:10 PM, Andre Nathan wrote:
> >
> > > Hello
> > >
> > > I need to plot a histogram, but insted of using bars, I'd like to
> > > plot the data points. I've been doing it like this so far:
> > >
> > > h <- hist(x, plot = F)
> > > plot(y = x$counts / sum(x$counts),
> > > x = x$breaks[2:length(x$breaks)],
> > > type = "p", log = "xy")
> > >
> > > Sometimes I want to have a look at the "raw" data
> (avoiding any kind
> > > of binning). When x only contains integers, it's easy to just use
> > > bins of size 1 when generating h with "breaks = seq(0, max(x))".
> > >
> > > Is there any way to do something similar when x consists of
> > > fractional data? What I'm doing is setting a small bin
> length (for
> > > example, "breaks = seq(0, 1, by = 1e-6)", but there's
> still a chance
> > > that points will be grouped in a single bin.
> > >
> > > Is there a better way to do this kind of "raw histogram" plotting?
> > >
> > > Thanks,
> > > Andre
> > >
> > > ______________________________________________
> > > R-help_at_r-project.org mailing list
> > > https://stat.ethz.ch/mailman/listinfo/r-help
> > > PLEASE do read the posting guide
> > > http://www.R-project.org/posting-guide.html
> > > and provide commented, minimal, self-contained, reproducible code.
> >
>
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https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. Received on Wed 27 Feb 2008 - 01:20:51 GMT

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