Table 2 Comparison of the results on the lung cancer dataset using the three proposed topic model-derived clustering methods.

Clustering based on feature selection

2

1

42

11

22

0.2809

2

11

47

3

1

40

8

21

0.2417

2

4

15

3

9

35

4

1

37

8

18

0.2926

2

9

35

3

0

14

4

7

1

Clustering based on highest topic assignment

2

1

13

46

25

0.2296

2

40

12

3

1

11

29

25

0.1847

2

37

9

3

5

20

4

1

5

13

26

0.1744

2

13

26

3

1

12

4

34

7

Clustering based on feature extraction

2

1

13

47

24

0.2461

2

40

11

3

1

8

34

24

0.2055

2

8

16

3

37

8

4

1

7

6

25

0.1820

2

33

6

3

8

31

4

5

15