Socio-Environmental Disorder and Urban Configuration Project SEDUC Data Geocoding Enhanced Geocoding Toolkit

Incident Location ~50% Socio-Environmental Disorder and Urban Configuration Project SEDUC Geocoding Issues Enhanced Geocoding Toolkit

Standard geocoding ~50% Enhanced geocoding ~90% Details of pan-London study in: Brimicombe A..J.; Brimicombe, L..C. & Li, Y. (2007) Improving geocoding rates in preparation for crime data analysis. International Journal of Police Science and Management 9: Socio-Environmental Disorder and Urban Configuration Project SEDUC

Socio-Environmental Disorder and Urban Configuration Project SEDUC Functions: removal of non-address data, postcode cleaning etc. Batch process to address level L1 Standard Address Point Geocoding (Matchcode used for this procedure) Pre-Process Cleansing Is the record geocoded? Yes No Geocoded to level L1 Enhanced Geocoding Toolkit: a multi-level approach – from L1 to L4 L1 Level Address point data PAF data

Socio-Environmental Disorder and Urban Configuration Project SEDUC geocode using other location information e.g junction data, station name etc. L2 & L3 Advanced Geocoding Is the record geocoded? Yes No Geocoded to level L2 Is the record geocoded? Yes No Geocoded to level L3 Is the record geocoded? Yes No Geocoded to level L1 L2 Level L3 Level geocode using postcode information street junction data derived from OS ITN gazetteer data CodePoint data

Socio-Environmental Disorder and Urban Configuration Project SEDUC Move geocoded database Add Validation code End of process Geocoding using CAD-ref and street name L4 Geocoding at street level L4 Level Is the record geocoded? YesNo Geocoded to level L4 street point data derived from OS ITN CAD-ref data

Socio-Environmental Disorder and Urban Configuration Project SEDUC LevelNo. geocoded% L1 50, L2 4, L3 13, L4 15, Total 82, Brimicombe A.J. Brimicombe, L. Li, Y Improving geocoding rates in preparation for crime data analysis. International Journal of Police Science and Management. 9: ISSN Enhanced Geocoding Toolkit

90,904 records of all crime Batch cleaning with this toolkit will increase geocoding rate and be consistent for the bulk of the data Socio-Environmental Disorder and Urban Configuration Project SEDUC

Socio-Environmental Disorder and Urban Configuration Project SEDUC Newham Time period: Two years January 2006 to December 2007 Total records in data set: 70,812 Anti-social behaviour records: 48,698 Variables: ASB incident type; date, time Geo-coded records: 98% (47,617 records) ASB incident types: 160 in total with sub-codes - drunken behaviour - Threatening/violent behaviour - Vandalism - drug related - Fly tipping - Graffiti - Hooliganism/Loutish behaviour - Intimidation - Noising neighbours - Harassment - Problematic congregation

Socio-Environmental Disorder and Urban Configuration Project SEDUC

Socio-Environmental Disorder and Urban Configuration Project SEDUC Tower Hamlets Time period: Two years January 2006 to December 2007 Total records in data set: 4, 327 Anti-social behaviour records: 4,327 Variables: ASB category type; date, time Geo-coded records: 94% (4065 records) ASB incident types: 17 - Anti-Social Behaviour Alcohol Related - Damage to property - Disability Related Incidents - Drugs Harassment - Dumping of Rubbish - Faith Related Incidents - Homophobic Incidents - Noise Harassment - Public Disorder (Sexual Acts) - Race Related Incidents - Threat of Violence/Nuisance

Socio-Environmental Disorder and Urban Configuration Project SEDUC

Socio-Environmental Disorder and Urban Configuration Project SEDUC Barking and Dagenham Time period: Two years April 2006 to March 2008 Total records in data set: 670 Anti-social behaviour records: 668 Variables: ASB category type; date, time Geo-coded records: 99.6% (665) ASB incident types: 19 - Drug / substance misuse & dealing - Street drinking - Environmental - Vehicle related nuisance & Inappropriate vehicle - Noise - Rowdy & Nuisance Behaviour - General Harassment - Racial Harrassment - Criminal damage / vandalism - Rubbish - Grafitti - Non Offensive

Socio-Environmental Disorder and Urban Configuration Project SEDUC