[R] A request
tlumley at u.washington.edu
Tue Apr 2 18:28:06 CEST 2002
On Tue, 2 Apr 2002, Indrajit SenGupta wrote:
> Can we expect to see an R package on Statistical Quality Control in the
> future like SPLUS? I can't understand why nobody made this package before.
There are some of these features in the strucchange package. You can
often find this sort of thing out by using Jonathan Baron's search site,
which is linked from R homepage. (I searched on `process control',
which didn't work, and on `CUSUM', which did.)
This probably doesn't have everything you want, but it might.
The reason you got some less than helpful responses might well be the `I
can't understand...' comment. The usual reason that R doesn't have a
particular feature is that no-one who needs that feature in their everyday
work contributes to R.
R has some features that are there because they are important for
completeness, but it is quite heavily biased towards things that the users
and developers actually do. Someone who doesn't routinely do statistical
process control is less likely to implement it in R (and less likely to do
a good job of implementing it if they do).
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