address frame requirements: alistair calder , office for national statistics

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Address Frame Requirements Alistair Calder

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Presentation at the Open Addresses Symposium by Alistair Calder Research, Development and Infrastructure Office for National Statistics

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Page 1: Address Frame Requirements: Alistair Calder , Office for National Statistics

Address Frame Requirements

Alistair Calder

Page 2: Address Frame Requirements: Alistair Calder , Office for National Statistics

PostcodeAddress

FilePAF

ValuationOffice

National Land& PropertyGazetteer

NLPG

AddressLayer 2AL2

LLPGs

LLPGs

x 348

CouncilTax

TVLicense

Utilities

Emerg.Services

etc

Pre 2011 Census – multiple competing national lists – inefficiency & duplication

Page 3: Address Frame Requirements: Alistair Calder , Office for National Statistics

Address Register – Census 2011

PAF

AL2VOA

Residential address list

RULES CLERICAL

Communal address list

NLPG

Very good Just about good enough

Page 4: Address Frame Requirements: Alistair Calder , Office for National Statistics

Future .....

• An address frame suitable for Census 2021

but also ... social surveys, business surveys, Admin Data Programme - & Government Statistical Service

• Maximise the use of existing datasets

(National Address Gazetteer, Open data ???)

• NOT ONLY A MAILING LIST • A probabilistic frame for linking other sources

Page 5: Address Frame Requirements: Alistair Calder , Office for National Statistics

The ‘new’ NAG

PAF

AL2VOA

Residential address list

RULES

NLPG

Residential address list

PAF

AL2VOA

RULES

NLPG

Communal address list

2011 Census Address Register National Address Gazetteer

Additional CE sources

Page 6: Address Frame Requirements: Alistair Calder , Office for National Statistics

An integrated address frame

12 High St R Etc .........

13 High St CE CE Id

14 High St R

15 High St R B CE Link to Business Register CE Id

16 High St B Link to Business Register

17 High St R

21A High St R

21B High St R

21/1 High St R

21/2 High St R

(Residential, Business and Communal addresses coded to a single spine)

Page 7: Address Frame Requirements: Alistair Calder , Office for National Statistics

A probabilistic address frame

Probability of • Existence of address• type - HH/B/CE• HH Size / structure• Change / churn• Hard to countness / category• (multivariate >> categorisation• Eg possible holiday home, carehome, student

accommodation

AddressRegister

HHStructure

2011 Census

HH structure, churn, names

Activity dataEnergy, utilities,

broadband, health, house sales

Admin dataHH structure, churn,

names, house prices, phone numbers

OtherShape / pattern

recognition

Survey paradata

GeoplaceAnd other CE

sources

CE

New definition / schema

Inform field planning / targetting

Intelligent stratification

Prioritise follow up (address level)

Inform estimation & modelling

B

Business RegBusiness structure,

type, churn

Conceptually – all subject to ethical and privacy discussion !

Page 8: Address Frame Requirements: Alistair Calder , Office for National Statistics

And some other stuff ...

• Proper use of GI / aerial photography etc(QA / automatic change detection etc)

• OS portal / API – for field / public QA

• Self linking to address-list ???

• Wiki / crowd sourcing for CEs etc

• Opendata – CEs & attributes (linked to national frame)

definitely

but residential & business lists – really ??

Page 9: Address Frame Requirements: Alistair Calder , Office for National Statistics

Complete

Correctly coded

Communals

Accessible

Used

Definitive

Complete

Correctly coded

Communals

Accessible

Used

Definitive

What I care aboutOpendata

‘NAG’OS

A single, maintained, funded national list should be part of the national digital infrastructure

Very supportive of open data for communals and attribution of addresses – but there should only be one national address list – a competing open data list has potential to lead to 2 classes of citizens and add inefficiency and confusion – could take us backwards when we were getting so close