Research Article

Detecting Spatial Clusters via a Mixture of Dirichlet Processes

Table 8

Breakdown of emotions and their frequencies by individual foci cluster for ROI.

Cluster Index: Total foci in that cluster
Emotion Frequency of emotion (% of total cluster foci)

Cluster: 1489Cluster: 263Cluster: 354
aff217 (44.38)aff29 (46.03)aff21 (38.89)
anger20 (4.09)anger3 (4.76)anger3 (5.56)
disgust68 (13.91)disgust8 (12.7)disgust4 (7.41)
fear63 (12.88)fear13 (20.63)fear8 (14.81)
happiness28 (5.73)happiness2 (3.17)happiness6 (11.11)
mixed22 (4.5)mixed4 (6.35)mixed5 (9.26)
sadness71 (14.52)sadness4 (6.35)sadness7 (12.96)

Cluster: 434Cluster: 525Cluster: 620
aff15 (44.12)aff13 (52)aff8 (40)
anger1 (2.94)anger1 (4)disgust1 (5)
disgust4 (11.76)disgust4 (16)fear4 (20)
fear3 (8.82)fear1 (4)happiness1 (5)
happiness1 (2.94)happiness2 (8)mixed1 (5)
mixed1 (2.94)mixed2 (8)sadness5 (25)
sadness9 (26.47)sadness2 (8)

Cluster: 719Cluster: 817Cluster: 916
aff6 (31.58)aff6 (35.29)aff9 (56.25)
anger1 (5.26)anger2 (11.76)fear3 (18.75)
disgust4 (21.05)disgust3 (17.65)happiness2 (12.5)
mixed2 (10.53)happiness1 (5.88)sadness2 (12.5)
sadness6 (31.58)mixed1 (5.88)
sadness4 (23.53)

Cluster: 1015Cluster: 119Cluster: 127
aff6 (40)aff3 (33.33)aff3 (42.86)
anger1 (6.67)anger1 (11.11)anger1 (14.29)
disgust2 (13.33)disgust2 (22.22)disgust1 (14.29)
fear2 (13.33)fear1 (11.11)fear2 (28.57)
happiness1 (6.67)sadness2 (22.22)
mixed2 (13.33)
sadness1 (6.67)

Cluster: 136Cluster: 145
aff3 (50)aff3 (60)
disgust1 (16.67)happiness1 (20)
sadness2 (33.33)sadness1 (20)

ROI: region of interest; aff: affective.