knn算法案例

train.csv row_id,x,y,accuracy,time,place_id 0,0.7941,9.0809,54,470702,8523065625 1,5.9567,4.7968,13,186555,1757726713 2,8.3078,7.0407,74,322648,1137537235 3,7.3665,2.5165,65,704587,6567393236 4,4.096
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