Validating custom variables to get better estimate of a parameter I am trying to compare

@akshay.kotha wrote:

Hi,

I am currently facing a challenge of comparing a metric (y) across different times (x). But there is a parameter ‘z’ which affects the calculation of ‘y’. How to bring ‘z’ across different ‘x’ to a common reference level so that ‘y’ can be compared across ‘x’.

I have two ideas:

1. Either create a custom metric out of 'y and ‘z’ and compare. If yes, how do I validate the invention of this new metric?
2. Find out a threshold for ‘x’ so that only the ‘y’ values corresponding to above that ‘x’ value would be considered and compared ignoring the outliers.

Which one to go with?

Regards
Akshay

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