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pa11
2007 Dec 09
3
Barchart, Pareto
Hello
Well I am relatively new so some of these issues may not fall under the subject that I have used.
1. How do I do a Pareto. Following is the approach I took.
My data looks like this
df2_9
Reaason.for.failure Frequency
1 Phy Conn 1
2 Power failure 3
3 Server software 29
4 Server hardware 2
5 Server out of mem 32
2010 Feb 04
6
problems with SPC charts in R
Hi all,
I am using SPC techniques of plotting Xbar, R, S, P and C charts in R.For
this I am using qcc package in R and also using the following document for
reference.
http://www.stat.unipg.it/~luca/Rnews_2004-1-pag11-17.pdf
But while plotting S chart, R chartchart and also C chart I am getting
following errors.
I have plotted the Xbar chart successfully using following command
obj <- qcc(a[,],type="Xbar")
But when I use the same command to plot the R chart and S chart jus by
replacing the type=&...