accessing the ncds and the bcs70 via the economic and social data service jack kneeshaw ncds/bcs70...
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Accessing the NCDS and the BCS70 via the
Economic and Social Data Service
Jack KneeshawNCDS/BCS70 workshop 16 October 2007
ESDS Longitudinal
Economic and Social Data Service
• provides access and support for key economic and social data
• distributed service, bringing together centres of expertise in data creation, dissemination, preservation and use
• core archiving services plus four specialist data services
ESDS Longitudinal
Joint enterprise:
• UK Data Archive (UKDA)• UK Longitudinal Studies Centre (ULSC)
based at ISER
• supports a range of longitudinal data collections but seven ‘core’ collections in particular:
• National Child Development Study (NCDS)• 1970 British Cohort Study (BCS70)• Millennium Cohort Study (MCS) • British Household Panel Survey (BHPS) • English Longitudinal Study of Ageing (ELSA)• Longitudinal Study of Young People in England
(LSYPE)• Families and Children Study (FACS)
Data Deposit, Processing, Retrieval and Access
The data themselves - NCDS
The data themselves – BCS70
Data not held by the ESDS
• some additional data, derived from further minor data collections, data cleaning etc., only available via CLS at present
• these data are added to the ESDS collection from time to time
Ensuring confidentiality
• cohort members promised confidentiality
• datasets deposited with ESDS are fully anonymised
• datasets go through further process of checking at the UKDA
• ESDS users undertake not to identify individuals
Documentation
A variety of NCDS/BCS70 documentation is available, including:
• guides to datasets• lists of publications• annotated questionnaires• interactive data dictionaries• ‘Data Notes’ series• other survey-related documentation, inc. working
papers etc.
Available both from CLS and ESDS web sites.
Retrieval and access
• web access, via ESDS site, to data and metadata
• documentation (codebooks, questionnaires) freely available to any ESDS user (registered or unregistered)
• data can be browsed and frequencies run by any user (registered or unregistered) using Nesstar
• full datasets are freely available for download for the majority of our registered users
• data supplied in a variety of formats– SPSS – STATA– tab-delimited text
Online access for registered users
Registered users can:
• download full datasets
• order data via online order system
• browse/analyse/download data in Nesstar
To register:
• obtain an Athens ID
• sign and return data access agreement (legal undertaking)
• (to access data) register a usage (formerly a project)
Demo
ESDS Longitudinal
+44 (0)1206 872143www.esds.ac.uk/longitudinal
www.data-archive.ac.uknesstar.esds.ac.uk/webview/index.jsp