International Journal of Health Geographics

Table 2 Ripley’s-K function results for unmasked and obfuscated data

From: Addressing the data guardian and geospatial scientist collaborator dilemma: how to share health records for spatial analysis while maintaining patient confidentiality

Distance	L(d)_R	L(d)_O	Diff_R	Diff_O
47.21	73.24	73.24	26.02	26.02
94.43	124.45	124.45	30.02	30.02
141.64	176.63	176.63	34.99	34.99
188.86	227.46	227.46	38.61	38.60
236.07	273.51	273.51	37.44	37.44
283.29	318.81	318.81	35.52	35.52
330.50	359.59	359.59	29.08	29.08
377.72	398.78	398.78	21.06	21.06
424.93	437.85	437.85	12.91	12.91
472.15	473.88	473.88	1.73	1.73

L(d) represents transform value and Diff represents the difference between the expected and observed value. The subscripts R and O represents real and obfuscated results

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ISSN: 1476-072X

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