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

Table 1.

Sentiment polarities in media communications (Google News headlines or descriptions) 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 77.78 22.22 0.00 0.48 0.07 0.07 0.86 0.02 88.89 11.11
February 9 16.67 83.33 0.00 0.58 0.06 0.08 0.86 –0.01 16.67 83.33
February 16 66.67 0.00 33.33 0.73 0.03 0.15 0.82 –0.35 66.67 33.33
February 23 100.00 0.00 0.00 0.58 0.11 0.15 0.74 –0.11 0.00 100.00
March 1 66.67 26.67 6.67 0.43 0.10 0.08 0.82 0.09 80.00 20.00
March 8 72.73 0.00 27.27 0.64 0.06 0.12 0.82 –0.21 18.18 81.82
March 15 49.18 19.67 31.15 0.40 0.06 0.07 0.87 –0.04 36.07 63.93
March 22 89.74 5.13 5.13 0.37 0.08 0.03 0.89 0.17 69.23 30.77
March 29 53.42 6.85 39.73 0.48 0.07 0.07 0.86 0.02 69.86 30.14
April 5 57.97 17.39 24.64 0.43 0.07 0.05 0.88 0.07 44.93 55.07
April 12 49.09 21.82 29.09 0.34 0.08 0.07 0.85 0.03 70.91 29.09
April 19 75.93 7.41 16.67 0.42 0.06 0.05 0.89 0.10 50.00 50.00
April 26 48.65 32.43 18.92 0.46 0.06 0.10 0.85 –0.14 37.84 62.16
May 3 53.17 17.46 29.37 0.33 0.08 0.07 0.85 0.06 65.08 34.92
Average polarity 62.69 18.60 18.71 0.48 0.07 0.08 0.85 –0.02 51.02 48.98

aVADER: Valence Aware Dictionary and Sentiment Reasoner.

bBiLSTM: bidirectional long short-term memory.