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The New Elsmar Cove Forums
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 The New Elsmar Cove Forums
 Measurement, Test and Calibration
 Poor MSA for DOE - explain effect
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| Author | Topic: Poor MSA for DOE - explain effect |
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L.G. unregistered |
posted 13 March 2001 02:08 PM
 
I find myself in the possition of having to explain how having a 67% of study error in a measurement system (AIAG MSA method - variable data) errodes the confidence in DOE results relying on this system. Can anyone suggest how to prove the negative effects of using this poor system for DOE analysis? Those I need to convince don't seen to think there is too much wrong with this! They feel that the DOE is used to show relative differences between parameter settings, thus the %error is not that important! I've told them that with this much error, you have little confidence about the relative differences you've calculated. Please help me prove it! IP: Logged |
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Marc Smith Cheech Wizard Posts: 4119 |
posted 22 March 2001 10:08 AM
 
Any DOE / MSA experts out there? IP: Logged |
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Geoff Cotton Forum Contributor Posts: 34 |
posted 22 March 2001 11:12 AM
Would your collegues drive a car with 67% error in the feul gauge? If you can't trust your data because you can't trust the measurmant system, you can't make any reliable decisions. Geoff IP: Logged |
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