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You can use this operation when you carried out several product profiles on the same products.
It is then possible to observe the development of attributes or defects along the selected
period of time.
You can follow up to 200 product profiles with appropriate graphics.
Two choices are then suggested:
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Temporal Follow up or
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Principal Component Analysis
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The first choice gives the development of the attribute along a period of time,
the second one summarises the whole set of data of the selected period of time.
TEMPORAL FOLLOW UP
The display of all products per attribute is particularly interesting to insure a stability
of a product profile independently from the panel fluctuations on a long period.
PRINCIPAL COMPONENT ANALYSIS
The way to get results is similar, but this technique is particularly appropriate to
get summarised results.
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