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Strengths and Weaknesses of Global Positioning System (GPS) Data-Loggers and Semi-structured Interviews for Capturing Fine-scale Human Mobility: Findings from Iquitos, Peru

Figure 4

Sample map to interview participants about possible causes of discordance between GPS-derived vs. semi-structured interview locations.

Given both types of locations were joined to the Iquitos GIS, the lot code was provided to ease identification of locations in the database. Size of points was proportional to reported or calculated time spent at each location. Inset of map shows locations within the city of Iquitos. GPS-derived locations were obtained using a clustering algorithm.

Figure 4