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Fig. 5. The scaling exponent for the physics-related-department density with respect to the population density of 15–24-year-olds (the filled squares–-the lines connecting them are the guide to the eyes) and R2 of each regression (the shaded bar chart behind each square) for each year, obtained from the linear regression in the log-log scale.
New Phys.: Sae Mulli 2024;74:610~620 https://doi.org/10.3938/NPSM.74.610
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