Nesstar, ESDS International and ESDS

Qualidata online demonstrations

ASLIB visit to the UK Data Archive

Wednesday 24 November 2004

Louise Corti, Associate Director

Nesstar software

• browse detailed information (metadata) about these data sources, including links to other sources

• do simple data analysis and visualisation on microdata

• bookmark analyses

• download the appropriate subset of data in one of a number of formats (e.g. SPSS, Excel)

Searching and Browsing

• flexible way to search catalogue - simple or structured

• examine metadata (search fields in DDI)• catalogue• data dictionary

– value labels to select categorical variables– question text

• user guides• background material

– provenance– response rates

Browsing Data

• examine the content required for analysis

• remote statistical engine carries out merges and tabulations

• results matrix transferred to the client for display

• descriptives and crosstabulations

• regressions and scatterplots

• graphics

• tables to microdata and back again

Fertility Rates in Europe

Online access to qualitative data• new emphasis on providing direct access to collection

content– supports more powerful resource discovery

– greater scope for searching and browsing content of data (supplementary to higher level study-related metadata)

– since users can search and explore content directly… can retrieve data immediately

• providing access to qualitative data via common interface (ESDS Qualidata Online)

• supporting tools for searching, retrieval, and analysis across different datasets

Using ESDS Qualidata Online