Potential Improvments on Price and Extrafeature

[uomodellamansarda]

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While making some of my mistakes I was thinking:

• It is possible during the optimization to create a warming message if the price is provided as a list and not as numpy array? Or automatically convert if it is a list to a numpy array?

-If during the optimization the extra feature length provided doesn't match the number of periods provided, it is possible to provide a more specific error message?