Basic notations

input: ? ? x∈χ ?(customer application)

output: ? y∈y ?(good/bad after approving credit card)

target function (unknown pattern to be learned) : f: x→y ?(ideal credit approval formula)

data (training examples): D = {(x₁,y₁),(x₂,y₂),...,(x_n,y_n)} ? (historical records in bank)

hypothesis (skill with hopefully good performance) ? ?g:?x→y (learned formula to be used)

?

轉(zhuǎn)載于:https://www.cnblogs.com/qicaide/p/5907913.html

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