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Fig. 5. (Color online) In each of the three presidential elections (17th-19th) the average Google trend difference Δg versus their actual vote rate difference (Δy), depending on the three months (blue) before the election day, two months (yellow), one month (green), two weeks (orange), and one week (purple). The linear regression is used to indicate the obtained straight lines according to the given period.
New Phys.: Sae Mulli 2022;72:594~604 https://doi.org/10.3938/NPSM.72.594
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