Table 1.
Autoclustering.
| Number of clusters | Akaike's information criterion (AIC) | AIC changea | Ratio of AIC changesb | Ratio of distance measuresc |
|---|---|---|---|---|
| 1 | 3873.849 | |||
| 2 | 3598.036 | −275.814 | 1.000 | 1.202 |
| 3 | 3393.501 | −204.535 | 0.742 | 1.630 |
| 4 | 3325.170 | −68.330 | 0.248 | 1.255 |
| 5 | 3300.742 | −24.429 | 0.089 | 1.183 |
|
| ||||
| 6 | 3302.954 | 2.212 | −0.008 | 1.053 |
| 7 | 3312.444 | 9.491 | −0.034 | 1.153 |
| 8 | 3340.366 | 27.922 | −0.101 | 1.029 |
| 9 | 3371.712 | 31.346 | −0.114 | 1.096 |
| 10 | 3413.251 | 41.540 | −0.151 | 1.103 |
| 11 | 3464.696 | 51.445 | −0.187 | 1.102 |
| 12 | 3525.088 | 60.392 | −0.219 | 1.073 |
| 13 | 3591.474 | 66.386 | −0.241 | 1.122 |
| 14 | 3666.712 | 75.239 | −0.273 | 1.066 |
| 15 | 3746.426 | 79.714 | −0.289 | 1.035 |
aThe changes are from the previous number of clusters in the table.
bThe ratios of changes are relative to the change for the two-cluster solution.
cThe ratios of distance measures are based on the current number of clusters against the previous numbers of clusters.