[RkWard-devel] Pareto chart and Quality qontrol charts

[I. Soumpasis]

2007/2/23, Thomas Friedrichsmeier <thomas.friedrichsmeier at ruhr-uni-bochum.de
>:
>
> On Thursday 22 February 2007 23:00, I. Soumpasis wrote:
> > The pareto chart actually it is not exactly a chart. Many times the plot
> it
> > is not useful at all, but it is better to show only the descriptives.
> E.g.
> > when we want to see the causes of 80% of defetcs and the chart has a
> line
> > at 75% does not seem real helpful. The plot gives a general idea but the
> > real results are the descriptives. So typically the descriptives should
> be
> > the default result. I had in mind to give as option only to print
> without
> > to plot the descriptives. How do you see this?
>
> I think, we're probably talking about two different plugins, here. The
> plot is
> useful in its own right, and so is the descriptives table. To create the
> descriptives table only, without the plot, pareto.chart() is a bit of
> overkill, however. The same should be achievable using table()/summary(),
> cumsum() and sort().
>
> So I'd suggest to create a separate plugin for this, and just link the
> help
> pages to the respective other plugin.
>

On a second thought I beilieve that it is is an overkilll for now. It is ok
for the user to have both plot and results. Usually both are produced even
if the user mainly will use the numbers. So lets leave it for now, if there
is a request we will see how to handle it.

Regards,
Ilias
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