1. CJ 425 Crime Mapping Unit 4 Seminar “Data”

2. Next week Sunday 2/6 Mid term week – No Seminar Midterm Essay Exam Access and examine the Burglary to Motor Vehicle Map and use the concepts in your learning from the class to: Discuss the information that the map contains. 3 -5 Pages Midterm Essay Exam Acc ess and exa min e the Burg lary to Mot or Vehi cle Map and use the conc epts in your lear ning from the clas s to: Burg lary to Mot or Vehi cle Map o D i s c u s s t h e i n f o r m a t i o n t h a t t h e m a p c o n t a i n s. o W h a t i s i t p o r t r a y i n g ? o W h a t i s t h e t i m e p e r i o d b e i n g a n a l y z e d ? o W h i c h i t e m s a r e l i n e f e a t u r e s ? o W h i c h i t e m s a r e p o i n t f e a t u r e s ? o W h i c h i t e m s a r e p o l y g o n s ? o W h a t d a t a w o u l d b e c o n s i d e r e d p r i m a r y d a t a ? o W h a t d a t a w o u l d b e c o n s i d e r e d s e c o n d a r y d a t a ? o E x a m i n e t h e e l e m e n t s t h a t a r e n o t i n c l u d e d i n t h e m a p. o W h a t i n f o r m a t i o n, i f a n y, i s n o t p e r t i n e n t t o t h e m a p ? o W h a t a d d i t i o n a l i n f o r m a t i o n, i f a n y, c o u l d b e a d d e d t o t h e m a p t o i n c r e a s e i t s u s e f u l n e s s t o t h e r e a d e r ? o A l s o i n y o u r a n a l y s i s, d i s c u s s w h i c h p a t t e r n s y o u m i g h t a n a l y z e f u r t h e r, h o w y o u w o u l d d o s o, a n d w h a t h e l p e d y o u i d e n t i f y t h o s e p a t t e r n s. o U s e a t l e a s t o n e o u t s i d e r e s e a r c h s o u r c e i n c l u d i n g a c a d e m i c j o u r n a l s t o s u p p o r t y o u r r e s p o n s e s. Midterm Essay Exam

3. Outline Types – Primary – Secondary Database Sources Integrity

4. Data Sources There are many data sources. These sources can be categorized as: 1.Primary 2.Secondary

5. Primary Data Data collected originally Surveys Interviews Field research Direct observation

6. Secondary Data Data that has been collected previously Data collected (primarily) by another individual, group, or organization

7. Database A data matrix of stored information which can be quickly retrieve. Queries (searches) Select by Attribute Select by Location

8. Sources of Information Criminal Justice GIS Social, political, economic Demographic Specific purpose

9. Field Trip http://video.esri.com/watch/148/jack- dangermond-on-a-new-modality-for-gis http://video.esri.com/watch/148/jack- dangermond-on-a-new-modality-for-gis

10. Criminal Justice Data Crime Incidents Arrests Calls for Service Accidents Property Vehicle Persons Field Information or contacts Traffic

11. CJ Data cont. Court records Dispositions Corrections (case files) Probation/parole Sex offenders Criminal Histories

12. GIS Data Streets City or State Counties Zip Parcels Parks Buildings Waterways Schools ATMs Parking lots Malls Landmarks Intersections Bus stops Liquor Establishments

13. Other Sources Demographic Social phenomena

14. Data Integrity Garbage In – Garbage Out – Data Entry – Timeliness – Validity (accuracy) – Reliability (consistent) – Data transfer process – Confidentiality / Privacy – Data Management