[R] quality control pkg?

[Erin Hodgess]

Dear R people
is there a module for quality control, please?

X bar charts, and such?

perhaps a contributed package?

Thanks in advance!

Erin Hodgess
Associate Professor
Department of Computer and Mathematical Sciences
University of Houston - Downtown
1 Main Street 
Houston, TX 77002
mailto: hodgess at uhddx01.dt.uh.edu
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