Aug 3, 2017 01:06 AM
(1755 views)
Hi,
I perfom control charts and i computer cpk for and centrre line with UCL and LCL. This items are added manually with a double clic on the axis. I would like to addition different centre lines calculated permet period (e.g: period 2015 to 2016 Ref line=0.60 and for the 2016 to 2017 Ref line=0.70).
Thans in advance
Bud