Evaluating Peterborough’s ‘no cold calling’ initiative using space-time Bayesian hierarchical modelling Guangquan Li *, Robert Haining +, Sylvia Richardson * and Nicky Best * + University of Cambridge * Imperial College, London
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Locations of the NCC areas in Peterborough 3
Data on “No Cold Calling” 4
Raw data: individual and aggregated temporal profiles Positive impact of policy? 5
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IDMatching criterionNo. of LSOAs 1All LSOAs in Peterborough88 2±10% burglary rate of the NCC group in ±20% burglary rate of the NCC group in ±30% burglary rate of the NCC group in both 2004 and LSOAs containing the NCC-targeted COAs (but excluding the NCC-targeted COAs) 9 (one LSOA is outside Peterborough) 6LSOAs that had “similar” multiple deprivation scores (MDS) as those for the NCC LSOAs in Constructing the control group - areas are selected that have similar local characteristics (e.g. burglary rates; deprivation scores) to those in the NCC- targeted group. - Lower Super Output Area (LSOA) framework used to obtain reliable control trend
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