1 Tandem l&ll Lars H. Backer Statistics Sweden and the Tandem consortium

2 The Task From the Commission’s –Quest to improve the comparability of statistics across the EU To the Tandem Consortium’s –Design for a system of small area statistics –Based on a system of small statistical areas –To liberate statistics from administrative areas

3 3 Questions Why: A question of meeting ”User needs” What: A question of Products and Services How: A question of a Method for Development

4 WHY How to describe ”User Needs” –Deductive method –Inductive method Based on the inductive method –A Case Study –A Network of Processes –A Critical Path

5 Sustainable Spatial Development Sustainability –The current Paradigm for the Development of the EU? To integrate: –Natural Information –Artificial Information –Socio-Cultural and Economic Information

6 A Network of Processes

7 A Critical Problem Proper descriptions depend on functional and structural: –Outer delineations –Inner differentiations Of urban areas –Residential –Work –Civic life –Recreation –Access

8 WHAT A practical solution –The sandwich method To integrate –Descriptive information –Analytic information

9 Data Capture & Spatial Analysis A Production Process involving –Data –Features –Method

10 Features: Points and Areas

11 Area-based Analysis Clustering (on irregular tessellations) AZM (Automatic zoning method)

12 Area-based delineation

13 Point-based Analysis Isarithms (on regular tessellations) Fixed Krieging

14 Point-based outer Delineations

15 Point-based inner Differentiations

16 HOW Step1: A well founded proposal for discussion –Tandem l –Tandem ll Step 2: A prototype for benchmarking Step 3: A product for implementation

17 The Proof of the Apple is in the Eating Utility Theoretically argued Empirically founded Logically consistent Open to public discourse (Repeatability) Accumulative

18 End Visions without action are daydreams, Actions without visions are nightmares