[R] Pearson curves and CPK

[Frank Tappen]

Hi,

My name if Frank Tappen and I work for an SPC Software Company called
DQS. A customer of ours has asked us to create Pearson Curves of their
non-normal data sets and to calculate several statistics; one of them
being CPK. I am searching for statistical routine which can do this
for us and came across "R". My question is, does "R" have the
capability of calculating CPK for non-normal distributions, in
particular Pearson curves?

Sincerely,

Frank J. Tappen

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