World Happiness Report 2023 153 Figure 5.8 Raw Tweets Final County Measurements Digital Cohort Sampling Post-stratification time-1 time-1 time-2 time-2 time-3 time-3 Figure 5.8. Example of a Gen 3 Twitter pipeline: longitudinal digital cohorts compose spatial units. Figure 5.9. The number of measurement data points produced as a function of different choices of temporal and spatial resolution in digital cohort design studies (Gen 3). Figure 5.9 national metros neighborhoods days 365 10s of thousands millions months 12 100s of thousands year N = 1 hundreds 10s of thousands Spatial Resolution Temporal Resolution more resolution less heterogeneity
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