Number_of_PCs Classification_Accuracy Average_Number_of_Correct_Nearest_Neighbors 1 73.97 3.68 2 93.15 4.39 3 93.15 4.52 4 96.58 4.69 5* 97.95 4.79 6 96.58 4.73 7 95.21 4.57 8 94.52 4.49 9 83.56 4.21 10 84.25 4.13