Nesstar, ESDS International and ESDS Qualidata online demonstrations ASLIB visit to the UK Data...

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