Given the table below, we would like to predict customer Harry's response. Please use 3-nearest neighbors.  If we adopt cosine similarity, what's Harry's response? Please show your calculation and all relevant calculations. (You may use Excel to speed up your calculation).   Customer Age Income(k) No. credit cards Response Andy 60 74 11 Yes Betty 63 86 2 No Cindy 34 113 1 No David 44 54 5 Yes Ellen 48 107 9 Yes Frank 27 64 6 Yes Gary 25 46 7 No Harry 34 49 5 ?

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