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LasersOnSharks
LasersOnSharks
Level I

CHISQ.INV.RT

Created: May 25, 2022 04:11 PM  |  Last Modified: Jun 10, 2023 4:48 PM (3266 views)

Does JMP have an equivalent to excel's CHISQ.INV.RT function? I need it for FIT rate (reliability) calculations. Thanks in advance!

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peng_liu
peng_liu
Level VII
Solution

Re: CHISQ.INV.RT

May 25, 2022 09:06 PM (3250 views)  |  Posted in reply to message from LasersOnSharks 05-25-2022

Use "ChiSquare Quantile" function. See following screenshot to see how the results match.

Notice, the Excel function use right-tail probability, and you need 1 minus that probability for the JSL function.

BTW, I am curious, under what situation, do you need to manually calculate this quantity?

 

peng_liu_1-1653527199553.pngpeng_liu_1-1653527199553.png

 

 

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3 REPLIES 3
peng_liu
peng_liu
Level VII
Solution

Re: CHISQ.INV.RT

May 25, 2022 09:06 PM (3251 views)  |  Posted in reply to message from LasersOnSharks 05-25-2022

Use "ChiSquare Quantile" function. See following screenshot to see how the results match.

Notice, the Excel function use right-tail probability, and you need 1 minus that probability for the JSL function.

BTW, I am curious, under what situation, do you need to manually calculate this quantity?

 

peng_liu_1-1653527199553.pngpeng_liu_1-1653527199553.png

 

 

LasersOnSharks
LasersOnSharks
Level I

Re: CHISQ.INV.RT

May 31, 2022 01:48 PM (3175 views)  |  Posted in reply to message from peng_liu 05-25-2022

Thank you so much!! 

 

The application is for semiconductor failure rates. 
https://www.renesas.com/us/en/document/qsg/calculation-semiconductor-failure-rates

peng_liu
peng_liu
Level VII

Re: CHISQ.INV.RT

May 31, 2022 09:38 PM (3162 views)  |  Posted in reply to message from LasersOnSharks 05-31-2022

Thanks for letting me know the application and providing the reference.

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