Open Access
Table 2
Comparison of the distribution probability of topic words
| Time window number | PSOLDA | Online Twitter LDA | ||
|---|---|---|---|---|
| Topic words | Probability | Topic words | Probability | |
| Time window 1 | Investment Risk | 0.524 8 | Investment Risk | 0.395 2 |
| Workdays | 0.035 8 | Phoenix TV | 0.042 4 | |
| Registration No. | 0.029 9 | Bank Card | 0.021 2 | |
| Departure Point | 0.017 9 | Huaxia Bank | 0.021 2 | |
| Security Coefficient | 0.017 9 | To be Improved | 0.021 2 | |
| Full Transparency | 0.012 0 | Explanation | 0.014 2 | |
| Time window 2 | Investment Risk | 0.364 7 | Investment Risk | 0.465 1 |
| Financial Products | 0.113 8 | Phoenix TV | 0.053 2 | |
| Listed Companies | 0.056 9 | To be improved | 0.018 3 | |
| Alipay | 0.033 2 | Steady Growth | 0.017 5 | |
| Steady Development | 0.028 4 | Bank Card | 0.012 7 | |
| Cautious | 0.009 5 | Very Important | 0.012 2 | |
| Time window 3 | Investment Risk | 0.313 2 | Investment Risk | 0.485 5 |
| Financial Products | 0.190 2 | Phoenix TV | 0.042 2 | |
| P2P | 0.059 9 | Steady Growth | 0.010 7 | |
| Listed Companies | 0.043 1 | Slower | 0.010 0 | |
| Alipay 1 | 0.039 0 | Not too bad | 0.010 0 | |
| Steady Development | 0.023 5 | Very Important | 0.007 1 | |
| Time window 4 | Investment Risk | 0.233 9 | Investment Risk | 0.429 6 |
| Financial Products | 0.131 3 | Phoenix TV | 0.046 5 | |
| Pretty Good | 0.059 2 | What Happened | 0.014 6 | |
| Listed Companies | 0.050 7 | Steady Growth | 0.011 6 | |
| Alipay | 0.050 5 | Not too bad | 0.011 6 | |
| P2P | 0.041 0 | Too Expensive | 0.011 4 | |
| Time window 5 | Investment Risk | 0.188 8 | Investment Risk | 0.399 7 |
| Financial Products | 0.108 8 | Phoenix TV | 0.046 7 | |
| P2P | 0.088 7 | What Happened | 0.027 2 | |
| Pretty Good | 0.087 1 | Steady Growth | 0.013 9 | |
| Listed Companies | 0.037 1 | Too Expensive | 0.013 9 | |
| Alipay | 0.035 1 | Very Important | 0.009 3 | |
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