User Richard Hardy - MathOverflow Meta

Richard Hardy

Member for 9 years, 6 months
Last seen more than 3 years ago

Europe

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About

Ph.D., associate professor with work experience in finance.

Interests: financial econometrics, forecasting, volatility, uncertainty, risk management, model selection and other.

I use R.

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Nov 7, 2018

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43

Testing for autocorrelation: Ljung-Box versus Breusch-Godfrey

41

Is 50% 100% higher than 25% or is it 25% higher than 25%?

36

Is an overfitted model necessarily useless?

34

Interpretation of mean absolute scaled error (MASE)

33

Can overfitting and underfitting occur simultaneously?