R help - Jan 2002 - Is there a function to plot a Pareto diagram?

Hi-

	Is there a quick way to plot a Pareto diagram?
	I couldn't find one. I'm being forced to do some pretty weird stuff,
	with awk and all, to extract data in order to plot the frequency of
	qualitative data from a larger set. Perhaps it's just my GNUrance.
	I mean, one day, if I have time, I might even write a generic Perl script,
	but right now, it doesn't look too good on the client side, if you know
	what I mean.

	(And what's with the hist function? __Not__ how I learned...)
	
	TIA,
	Regs,
	Henry L.
	
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On Thu, Jan 31, 2002 at 01:17:45AM -0200, hzi at uol.com.br
wrote:
> Hi-
> 
> 	Is there a quick way to plot a Pareto diagram?

Yup.  You can find it quite easily if you go to the R search engine:

http://finzi.psych.upenn.edu/search.html

and type in "pareto chart" to get an immediate answer, rather than
waiting for the list to get your message out. 

(the short answer is at: 
http://finzi.psych.upenn.edu/R/Rhelp/archive/5227.html  )

> 	(And what's with the hist function? __Not__ how I learned...)
Um, could be a little more specific..?  What did you learn?  From whom?
What surprised you? etc.

Jason
-- 
Indigo Industrial Controls Ltd.
64-21-343-545
jasont at indigoindustrial.co.nz
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hzi at uol.com.br writes:
>Hi-
>
>       Is there a quick way to plot a Pareto diagram?
>       I couldn't find one. I'm being forced to do some pretty weird
stuff,
>       with awk and all, to extract data in order to plot the frequency of
>       qualitative data from a larger set. Perhaps it's just my
GNUrance.
>       I mean, one day, if I have time, I might even write a generic Perl 
>script,
>       but right now, it doesn't look too good on the client side, if
you know
>       what I mean.
It's a matter of sorting in revers order the values in a table and
passing that to barplot():

        barplot(rev(sort(table(my.variable))))

as in:

        data(attenu)
        barplot(rev(sort(table(attenu$event))))

Get rid of the colours using the col parameter:

        barplot(rev(sort(table(attenu$event))), col = "white")

I hope that helps,

Mark

--
Mark Myatt


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