Clustering and Regression of institutions in the area Aritificial Intelligence

The dots correspond to data(the number of publications in a specific year). The number of publications is the sum of the number of publications on all the journals in this area. The line in the upper plot corresponds to the centroid of each cluster, the line in the lower plot corresponds to the linear least squre regression of the centroids.

3 clusters:

Rank 1: INST: 2 11 23

Rank 2: INST: 0 4 9 10 18 24 31 36 38 42 51 56 60

Rank 3: INST: 1 3 5 6 7 8 12 13 14 15 16 17 19 20 21 22 25 26 27 28 29 30 32 33 34 35 37 39 40 41 43 44 45 46 47 48 49 50 52 53 54 55 57 58 59 61 62 63 64

4 clusters:

Rank 1: INST: 18 56

Rank 2: INST: 2 11 23

Rank 3: INST: 0 4 8 9 10 24 27 31 36 38 42 44 47 51 60

Rank 4:INST: 1 3 5 6 7 12 13 14 15 16 17 19 20 21 22 25 26 28 29 30 32 33 34 35 37 39 40 41 43 45 46 48 49 50 52 53 54 55 57 58 59 61 62 63 64

5 clusters:

Rank 1: INST: 56

Rank 2: INST: 2 11

Rank 3: INST: 18 23

Rank 4:INST: 0 4 8 9 10 24 27 31 36 38 42 44 47 51 60

Rank 5:INST: 1 3 5 6 7 12 13 14 15 16 17 19 20 21 22 25 26 28 29 30 32 33 34 35 37 39 40 41 43 45 46 48 49 50 52 53 54 55 57 58 59 61 62 63 64

6 clusters:

Rank 1: INST: 56

Rank 2: INST: 18

Rank 3: INST: 2 11

Rank 4: INST: 23 43

Rank 5: INST: 0 4 8 9 10 24 27 31 36 38 42 44 47 51 60

Rank 6: INST: 1 3 5 6 7 12 13 14 15 16 17 19 20 21 22 25 26 28 29 30 32 33 34 35 37 39 37 39 40 41 45 46 48 49 50 52 53 54 55 57 58 59 61 62 63 64