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    Proportionate Hazards Model Cost Function

    Just a post to see if anyone on here is familiar with Andrew Jardine's work on hazard, risk and cost correlations within the PHM. A few questions when looking at the cost function, here is the literature I am following: and Is Q(d) simply the CDF? If not how is it different to F(t)? (the...
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    When to give up on a regression model

    Hey guys, new member so bare with me here =) Currently I am undertaking a project for my studies. It requires I take some machine condition data as well as the age of the component and try to make a prediction on the remaining life based on these things. (Sorry I can't give exact descriptions...