NESSTAR David Price Data Liberation Initiative (DLI) Statistics - PowerPoint PPT Presentation

NESSTAR David Price Data Liberation Initiative (DLI) Statistics Canada • Statistique Canada 11/2013 1 November 2013

Outline  Nesstar  Data Documentation Initiative (DDI)  Nesstar at Statistics Canada  Nesstar WebView • Access and navigation • Browse and search • Tables • Weights • Graphs • Export and download  Hands-on exercises Statistics Canada • Statistique Canada 11/2013 2

Nesstar Nesstar  Nesstar is a software system for data publishing and online analysis  The software consists of tools which enable data providers to publish, store and disseminate their data on the Web  Developed by Norwegian Social Science Data Services Statistics Canada • Statistique Canada 11/2013 3

Outline Data Documentation Initiative (DDI)  Nesstar uses the Data Documentation Initiative (DDI) standard  A specification for describing social science data and documentation in XML Statistics Canada • Statistique Canada 11/2013 4

Nesstar WebView Let’s have a closer look…  Access: http://www62.statcan.ca/webvi ew/  Metadata is freely available on the Web ; anyone can search and browse metadata and variables  DLI Contacts can manipulate and export data  Username and password available from Chantal Ripp (DLI)  Looking to purchase a new Nesstar instance for IP recognition Statistics Canada • Statistique Canada 11/2013 5

Let’s have a closer look…  Research Question: • What are the socio-economic and demographic characteristics of people who use the Internet to pay bills and for banking?  Where would we go from here? • Search the StatCan website for publications and statistics • Consider using microdata from the DLI collection  DLI EFT site or DLI website  Equinox, SDA, etc Or consider Nesstar  http://www62.statcan.ca/webview/ Statistics Canada • Statistique Canada 11/2013 6

Nesstar WebView Search the StatCan website Statistics Canada • Statistique Canada 11/2013 7

Nesstar WebView DLI EFT site – repository of DLI Collection Statistics Canada • Statistique Canada 11/2013 8

Nesstar WebView Why use Nesstar WebView  Do not need to know how This is what raw data looks like to use SPSS, SAS, STATA...  Can search the metadata at the variable level  Create tables, graphs, and perform calculations online  Download datasets in various formats or even subsets of the data Statistics Canada • Statistique Canada 11/2013 9

Nesstar WebView New! Links to DLI homepage, Nesstar WebView licence and contact us. Collapse browse list Statistics Canada • Statistique Canada 11/2013 10

Browse surveys Basic and Advanced Search Statistics Canada • Statistique Canada 11/2013 11

Access metadata Menu Select mode Statistics Canada • Statistique Canada 11/2013 12

Metadata CIUS 2010 metadata Study Description Other Documentation Statistics Canada • Statistique Canada 11/2013 13

Browse variable descriptions Statistics Canada • Statistique Canada 11/2013 14

Variable description Variable label Variable name Statistics Canada • Statistique Canada 11/2013 15

Tabulations Need to be signed in to create tables Statistics Canada • Statistique Canada 11/2013 16

Tabulations: Adding 1st variable Statistics Canada • Statistique Canada 11/2013 17

Subset by cases Statistics Canada • Statistique Canada 11/2013 18

Subset by cases Statistics Canada • Statistique Canada 11/2013 19

Subset by cases Statistics Canada • Statistique Canada 11/2013 20

Tabulations: Adding 2nd variable Statistics Canada • Statistique Canada 03/12/2009 21

Drag and drop Modify variables Statistics Canada • Statistique Canada 11/2013 22

Weights not activated Why would we want to apply weights? Statistics Canada • Statistique Canada 11/2013 23

Applying weights Statistics Canada • Statistique Canada 11/2013 24

Weights activated Statistics Canada • Statistique Canada 11/2013 25

Add sex of respondents as filter Statistics Canada • Statistique Canada 11/2013 26

Creating calculations Statistics Canada • Statistique Canada 11/2013 27

Graphs Statistics Canada • Statistique Canada 11/2013 28

Exporting and printing options Statistics Canada • Statistique Canada 11/2013 29

Downloading datasets Statistics Canada • Statistique Canada 11/2013 30

Basic and advanced search Basic search Statistics Canada • Statistique Canada 11/2013 31

Basic and advanced search Search for variables Statistics Canada • Statistique Canada 11/2013 32

Search results Search results Statistics Canada • Statistique Canada 11/2013 33

Thank you! Questions? David Price Data Liberation Initiative (DLI) Statistics Canada Statistics Canada • Statistique Canada 11/2013 34