Hampel's Test for Outliers and Swed Eisenhart Run Test

G

gcpa81

#1
Can someone guide me as to how these two tests are done, I am doing initial capability study and have to document these two tests as well. Any info about them would be of great help. Thanks in advance.
 
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Miner

Forum Moderator
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#2
You can find Hampel's Test for Outliers here in section 2.2.3. It is a very straightforward test.

Swed and Eisenhart's run test may be found here.

I question why you want to perform these tests over the standard use of a control chart to assess stability prior to capability. The extended rules perform similar tests to the Swed and Eisenhart approach and a point outside the control limits is similar to Hampel's test.
 
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G

gcpa81

#3
Thanks for your help with the information.
Answering your question - I have been given a list of tests that I need to document by my manager saying that it is a requirement of VW standards for machine capability study.
 

Stijloor

Staff member
Super Moderator
#4
Thanks for your help with the information.
Answering your question - I have been given a list of tests that I need to document by my manager saying that it is a requirement of VW standards for machine capability study.
Interesting....... Did your Manager show you the VW specific requirements? There are various techniques to perform a capability study. Many threads and posts here at The Cove Forums about capability studies. The good and the bad...;)

Stijloor.
 
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