[1] root
  |   [2] video_processing in N
  |   |   [3] ActionScript in N
  |   |   |   [4] Python in N
  |   |   |   |   [5] JavaScript in N
  |   |   |   |   |   [6] DNS in N: N (n = 183605, err = 0.0%)
  |   |   |   |   |   [7] DNS in Y
  |   |   |   |   |   |   [8] Flash in N: N (n = 888, err = 0.0%)
  |   |   |   |   |   |   [9] Flash in Y: Y (n = 7, err = 28.6%)
  |   |   |   |   [10] JavaScript in Y
  |   |   |   |   |   [11] Certification in N: N (n = 5481, err = 0.0%)
  |   |   |   |   |   [12] Certification in Y
  |   |   |   |   |   |   [13] Cantonese in N: N (n = 40, err = 0.0%)
  |   |   |   |   |   |   [14] Cantonese in Y: Y (n = 28, err = 14.3%)
  |   |   |   [15] Python in Y
  |   |   |   |   [16] mobile_application in N: N (n = 599, err = 0.0%)
  |   |   |   |   [17] mobile_application in Y
  |   |   |   |   |   [18] ecommerce in N: N (n = 36, err = 0.0%)
  |   |   |   |   |   [19] ecommerce in Y: Y (n = 16, err = 37.5%)
  |   |   [20] ActionScript in Y
  |   |   |   [21] J2EE in N
  |   |   |   |   [22] Illustrator in N: N (n = 1479, err = 0.0%)
  |   |   |   |   [23] Illustrator in Y
  |   |   |   |   |   [24] Tsuen_Wan_Area in N
  |   |   |   |   |   |   [25] mobile_application in N: N (n = 55, err = 0.0%)
  |   |   |   |   |   |   [26] mobile_application in Y
  |   |   |   |   |   |   |   [27] Photoshop in N: N (n = 17, err = 0.0%)
  |   |   |   |   |   |   |   [28] Photoshop in Y: Y (n = 7, err = 28.6%)
  |   |   |   |   |   [29] Tsuen_Wan_Area in Y: Y (n = 7, err = 28.6%)
  |   |   |   [30] J2EE in Y
  |   |   |   |   [31] Websphere in N: N (n = 16, err = 43.8%)
  |   |   |   |   [32] Websphere in Y: Y (n = 9, err = 0.0%)
  |   [33] video_processing in Y
  |   |   [34] Chai_Wan in N: N (n = 56, err = 0.0%)
  |   |   [35] Chai_Wan in Y: Y (n = 11, err = 0.0%)
  
  Number of inner nodes:    17
  Number of terminal nodes: 18

Created by Mr. Cyrus Wong, Data Scientist. 
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