Table 6 Forum bigrams
Chatbot | Bigram | n | tf | tf_idf |
|---|---|---|---|---|
Forum support | Conversational-interactive | 54 | 0.01985581 | 0.04349423 |
Learning-interaction | 51 | 0.01875582 | 0.03849211 | |
Interactive-improve | 63 | 0.02785118 | 0.04241470 | |
Forum feedback | Interaction-feedback | 62 | 0.02612341 | 0.04139641 |
Improve-interaction | 67 | 0.02985599 | 0.05349475 | |
Interest-feedback | 56 | 0.02056901 | 0.04135673 | |
Forum mobility | Mobile-design | 58 | 0.02340741 | 0.03087341 |
Ease to use-mobile | 65 | 0.02883463 | 0.04967512 | |
Ubiquitous-interaction | 63 | 0.02765389 | 0.04139877 |