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. 2021 Mar 16;9(3):e22916. doi: 10.2196/22916

Table 2.

Sentiment polarities in media communications (Twitter posts) analyzed using the TextBlob, VADER, and Word2Vec-BiLSTM models.

Period in 2020 TextBlob VADERa Word2Vec-BiLSTMb

Positive Negative Neutral Subjectivity score Positive Negative Neutral Compound score Positive Negative
February 2 100.00 0.00 0.00 0.92 0.17 0.00 0.83 0.70 100.00 0.00
February 9 37.50 37.50 25.00 0.34 0.12 0.09 0.79 0.15 87.50 12.50
February 16 63.64 9.09 27.27 0.27 0.09 0.05 0.85 0.12 54.55 45.45
February 23 50.00 50.00 0.00 0.37 0.17 0.04 0.79 0.48 100.00 0.00
March 1 83.33 0.00 16.67 0.59 0.14 0.03 0.83 0.36 66.67 33.33
March 8 44.44 22.22 33.33 0.32 0.14 0.03 0.83 0.38 66.67 33.33
March 15 85.71 0.00 14.29 0.52 0.05 0.02 0.92 0.16 100.00 0.00
March 22 66.67 0.00 33.33 0.40 0.12 0.02 0.86 0.49 66.67 33.33
March 29 38.57 27.14 34.29 0.37 0.08 0.12 0.80 –0.12 82.86 17.14
April 5 36.49 20.27 43.24 0.35 0.07 0.12 0.81 –0.11 82.43 17.57
April 12 33.33 41.67 25.00 0.49 0.10 0.07 0.82 0.10 83.33 16.67
April 19 66.67 6.67 26.67 0.47 0.06 0.06 0.88 –0.02 93.33 6.67
April 26 48.02 23.41 28.57 0.37 0.11 0.07 0.82 0.11 73.41 26.59
May 3 38.18 15.15 46.67 0.32 0.10 0.06 0.84 0.09 78.79 21.21
Average polarity 56.61 18.08 25.31 0.43 0.11 0.06 0.83 0.21 81.16 18.84

aVADER: Valence Aware Dictionary and Sentiment Reasoner.

bBiLSTM: bidirectional long short-term memory.