Inverse Power Law Example

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IPL Example


Consider the following times-to-failure data at two different stress levels.


Pdf of the lognormal distribution with different log-std values.



The data set was analyzed jointly and with a complete MLE solution over the entire data set using ReliaSoft's ALTA. The analysis yields:


[math]\displaystyle{ \widehat{\beta }=2.616464 }[/math]


[math]\displaystyle{ \widehat{K}=0.001022 }[/math]


[math]\displaystyle{ \widehat{n}=1.327292 }[/math]