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Figure 1: Three layers of geographical data used in the study.
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Figure 2: Simple activity patterns in space-time.
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Figure 3: Activity density patterns in geographic space.
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Figure 4: A close-up view of the density surface of home locations of the selected individuals.
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Figure 5: Space-time activity density of the non-employment activities of
the full-time employed women in the sample.
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Figure 6: Gender difference in the space-time density of non-employment
activities between the full-time employed women and men in the sample.
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Figure 7: Space-time aquarium showing the space-time paths of African and
Asian Americans in the sample.
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Figure 8: A close-up view of downtown Portland.
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Figure 9: Space-time paths based on GPS data collected in Lexington, Kentucky.
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