兩個觀測值的距離

R 的叢集分析

Dmitriy (Dima) Gorenshteyn

Lead Data Scientist, Memorial Sloan Kettering Cancer Center

距離 vs. 相似度

soccer_1

soccer_2

soccer_3

soccer_4

soccer_6

soccer_7

soccer_8

soccer_9

soccer_12

print(two_players)

     X  Y
BLUE 0  0
RED  9 12

dist(two_players, method = 'euclidean')

      BLUE
RED   15

print(three_players)

       X  Y
BLUE   0  0
RED    9 12
GREEN -2 19

dist(three_players)

          BLUE      RED
RED   15.00000         
GREEN 19.10497 13.03840

R 的叢集分析