brainhack-school2020 / stephaniealley_bhs2020_project

Effect of preprocessing on prediction performance of machine learning model
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Methodological Question #9

Open arsisabelle opened 4 years ago

arsisabelle commented 4 years ago

This sounds super interesting! And it is a really neat and useful idea!

I was just wondering, what variable you will categorize exactly with the ML classifier? If I understood well, you will compare the confusion index (decoding accuracy) and use this ratio as a dependent measure? Such, that you will be able to compare how the same dataset with the same ML procedures, might differ significantly or not? Or such that you would compare if the decoding accuracy correlates more to the (known) independent variable that is trying to predict? Or is it the preprocessing itself that you are trying to categorize and see if decoding accuracy would be better with one model than the other?

Just making sure I understood the theory behind it your comparisons, what you IVs and DVs are. Whichever the angle, the research questions behind this is super useful! :)