Table 7.
Internal index results for k=5.
| 100 iterations |
500 iterations |
1,000 iterations |
||||
|---|---|---|---|---|---|---|
| CH | SC | CH | SC | CH | SC | |
|
| ||||||
| LSI | 50,641 | 0.40 | 51,961 | 0.40 | 51,961 | 0.40 |
| BTM | 165,515 | 0.60 | 171,041 | 0.60 | 175,937 | 0.61 |
| LDA | 69,526 | 0.37 | 71,240 | 0.38 | 71,741 | 0.38 |
| GibbsLDA | 967,683 | 0.91 | 1,016,640 | 0.93 | 1,010,773 | 0.92 |
| Online LDA | 173,255 | 0.61 | 170,659 | 0.60 | 185,005 | 0.62 |
| Online Twitter LDA | 6,554,339 | 0.98 | 10,117,270 | 0.98 | 10,989,530 | 0.99 |
| GSDMM | 2,208,731 | 0.91 | 2,660,268 | 0.92 | 2,302,045 | 0.91 |
|
| ||||||
| k-means+Doc2Vec | 13,998 | 0.04 | 13,998 | 0.04 | 13,998 | 0.04 |
| k-means+TF-IDF | 4,722 | 0.07 | 4,722 | 0.07 | 4,722 | 0.07 |