On May 1, 2009, at 7:04 PM, Fritsander Lahr wrote:
Already searched the net for a solution, but couldn't find one.
The piston ring example works fine on my XP laptop and R installation.
However, using the dataset enclosed (I've also enclosed the script
file
used) only type="S" works and both "R" and "xbar" don't. Entering
ylim works
better but still control limits are not calculated. Following this
also the
process capability calculations do not work correctly.
It would be very helpful (possibly even essential) if you specified in
what manner they are not correct.
Hopefully someone can help me on this. After trying to solve the
problems
described for a few days I need to focus on other things.
Sadly, your attachments did not come through. My root cause analysis:
you need to read the Posting Guide more carefully.
--
David Winsemius, MD
Heritage Laboratories
West Hartford, CT
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