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Fig. 9. (Color online) Scatter plots via the percentage change in opinion polls versus the change in Google Trends in the 20th presidential election. The left (right) panel shows the scatter plot and linear model (blue, straight line) of Lee (Yun). Each linear model is determined through linear regression using the points of each scatter plot. Interestingly, a positive correlation is found for both candidates (see text for a more detailed explanation).
New Phys.: Sae Mulli 2022;72:594~604 https://doi.org/10.3938/NPSM.72.594
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