Table 2.

TF-IDF values of depressed D1 samples.

Depressed D1	TF-IDFa value
Myself (自己)	0.041383
Really (真的)	0.032475
Depression (抑郁症)	0.024328
Hope (希望)	0.013336
Life (生活)	0.012043
Forever (永远)	0.006965
Pain (痛苦)	0.006871
Sad (难过)	0.006756
Live (活着)	0.006583
Mood (心情)	0.006386
Night (晚上)	0.006347
Always (总是)	0.005984
Hate (讨厌)	0.005475
Exhausted (好累)	0.005469
Fear (害怕)	0.005030
Lonely (孤独)	0.004413
Idiot (傻逼)	0.004380
Emotion (感情)	0.004031
Insomnia (失眠)	0.003950
Sorry (对不起)	0.003867
Despair (绝望)	0.003410
Antidepressant (抗抑郁药)	0.002305

^aTF-IDF: term frequency-inverse documentation frequency.