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Ppk vs Tpk

Does anyone have the formula for capability index Tp/Tpk
or know the difference on Pp/Ppk vs Tp/Tpk
The reason for my question is that I get different capacity indexes, respectively Ppk or Tpk

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  • Hello Klaus,

    short answer is - ite depends...

    All calculations depends on what evaluation strategy do you use. You might get different result with different strategies. To answer this question properly, it would be better if we could have a short online session where we take a look at your data, your strategy and we can talk a little bit about capability indicies. Can you send me a private message with you email adress?

    Thanks you.

Reply
  • Hello Klaus,

    short answer is - ite depends...

    All calculations depends on what evaluation strategy do you use. You might get different result with different strategies. To answer this question properly, it would be better if we could have a short online session where we take a look at your data, your strategy and we can talk a little bit about capability indicies. Can you send me a private message with you email adress?

    Thanks you.

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