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pornthrowaway42069l t1_iwlbxq2 wrote

You can try neglog,

x > 0: log(x)

x<0: -log(-x)

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Constant-Cranberry29 OP t1_iwlwjy8 wrote

I have try, then it doesnt work.

1

pornthrowaway42069l t1_iwmr91a wrote

emmm... 2 parameter box-cox transform? If that doesn't work as well, maybe there the problem is with something else, between neglog and 2 parameter box-cox you should get decent normalization I feel.

1