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Nesstar: A Web-based Data Extraction and Analysis System Richard Pinnell & Sandra Keys, University of Waterloo Libraries.

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Presentation on theme: "Nesstar: A Web-based Data Extraction and Analysis System Richard Pinnell & Sandra Keys, University of Waterloo Libraries."— Presentation transcript:

1 Nesstar: A Web-based Data Extraction and Analysis System Richard Pinnell & Sandra Keys, University of Waterloo Libraries

2 Nesstar – Today’s Agenda Introduction EDS (UW’s Electronic Data Service) Overview of Nesstar Live Demo Actual Teaching Instances of Nesstar at UW WatITis | Life After 50 | December 4, 2007 | Nesstar

3 Overview EDS: Electronic Data Service http://www.lib.uwaterloo.ca/uweds/uweds.html WatITis | Life After 50 | December 4, 2007 | Nesstar

4 Overview (cont’d) WatITis | Life After 50 | December 4, 2007 | Nesstar

5 Overview (cont’d) Our “Partners” TDR (Tri-University Data Resources) University of Guelph, Wilfrid Laurier (and of course, UW!) Nesstar SWORDC (SouthWestern Ontario Research Data Centre) Statistics Canada OCUL (Ontario Council of University Libraries) Data in Ontario Group (DINO) ODESI (Ontario Data Documentation, Extraction Service and Infrastructure Initiative) WatITis | Life After 50 | December 4, 2007 | Nesstar

6 Overview (cont’d) WatITis | Life After 50 | December 4, 2007 | Nesstar

7 Overview (cont’d) Consortia Participation Data Liberation Initiative (DLI) Inter-university Consortium for Political and Social Research (ICPSR) DMTI Spatial Geoconsortium Etc. WatITis | Life After 50 | December 4, 2007 | Nesstar

8 Overview (cont’d) Other sources of data on campus Spatial Data Catalog (Faculty of Environmental Studies) Population Health Data Repository...and we’d love to link to more! WatITis | Life After 50 | December 4, 2007 | Nesstar

9 Nesstar – What it is Software: a web-based data extraction and analysis system Over 700 datasets from Statistics Canada …as well as access to other data resources Dun & Bradstreet International Monetary Fund World Health Organization Grouped by subject Accessible from off-campus via Proxy Service WatITis | Life After 50 | December 4, 2007 | Nesstar

10 Nesstar – What it is WatITis | Life After 50 | December 4, 2007 | Nesstar

11 Nesstar – What it is Raw data StatsCan surveys PUMFs (public use microdata files), synthetic files Need to be downloaded to use (statistical software packages, Excel, etc.) Low level/topical statistics Census profiles, Topic-based Tabulations Formats: B2020 files, Excel files WatITis | Life After 50 | December 4, 2007 | Nesstar

12 Nesstar – What it is (not) For high level/summary statistics, use the Statistics Canada website – free for the general public (http://www.statcan.ca/menu-en.htm)http://www.statcan.ca/menu-en.htm E-STAT (access via EDS page) CANSIM @ CHASS (access via EDS page) WatITis | Life After 50 | December 4, 2007 | Nesstar

13 Nesstar – What it is Documentation Abstracts Codebooks and Record Layouts Questionnaires Etc. WatITis | Life After 50 | December 4, 2007 | Nesstar

14 Nesstar – What it is WatITis | Life After 50 | December 4, 2007 | Nesstar

15 Nesstar – What it is WatITis | Life After 50 | December 4, 2007 | Nesstar

16 Nesstar – What it is Metadata Marked up using DDI (Data Documentation Initiative) Searching Simple Advanced Searching specific fields Specifying retrieval at dataset or variable level WatITis | Life After 50 | December 4, 2007 | Nesstar

17 Nesstar – What it is WatITis | Life After 50 | December 4, 2007 | Nesstar

18 Nesstar – What it is WatITis | Life After 50 | December 4, 2007 | Nesstar

19 Nesstar – What it is Subsetting and Downloading Download all or part of a dataset Statistical Analysis Frequency distribution, weighting, cross-tabulation, regression, etc. Graphic representations, display of descriptive stats Exporting Data Various statistical packages (e.g., SPSS, SAS) Spreadsheet (e.g., Excel,.csv) Text file WatITis | Life After 50 | December 4, 2007 | Nesstar

20 Nesstar – What it is Quirks Browser: compatible with any stable version of IE or Netscape Pop-up blockers: downloading Password: what/where is it anyway? Searching: “stop” words, phrases, etc. Help From Nesstar From Guelph (Viewlets – animated tutorials) Contact local data service (e.g., UW EDS) WatITis | Life After 50 | December 4, 2007 | Nesstar

21 Nesstar – What it is WatITis | Life After 50 | December 4, 2007 | Nesstar YES!!! No!!!

22 Nesstar – Live Demo For those viewing this presentation after the conference, we have included screenshots of the main features of the demo at the end of this powerpoint WatITis | Life After 50 | December 4, 2007 | Nesstar

23 Nesstar - Actual Teaching Uses REC 672 Choose a dataset Familiarize themselves with dataset by going through the documentation Use the dataset to test the various statistical analysis topics discussed in class Economics Research Papers Use data from surveys WatITis | Life After 50 | December 4, 2007 | Nesstar

24 Questions?? WatITis | Life After 50 | December 4, 2007 | Nesstar

25 Thank You! Richard Pinnell (rhpinnel@library.uwaterloo.ca)rhpinnel@library.uwaterloo.ca Sandra Keys (skeys@library.uwaterloo.ca)skeys@library.uwaterloo.ca EDS Group (LibEDS@library.uwaterloo.ca)LibEDS@library.uwaterloo.ca WatITis | Life After 50 | December 4, 2007 | Nesstar

26 Nesstar – Live Demo Slides WatITis | Life After 50 | December 4, 2007 | Nesstar

27 Library Homepage http://www.lib.uwaterloo.ca/

28 Resources for Research http://www.lib.uwaterloo.ca/resources/

29 Connect from Home

30 UW Electronic Data Service www.lib.uwaterloo.ca/uweds/uweds.html

31 TriUniversity Data Resources http://tdr.tug-libraries.on.ca/

32 Nesstar Splash Page nesstar.tdr.uoguelph.ca/webview/index.jsp

33 Catalogue Resources

34 Metadata and Variables

35 Variable Descriptions

36 Searching for Variables 1

37 Searching for Variables 2

38 Variable Search Results

39 Data Download 1

40 Data Download 2

41 Nesstar Logon

42 Data Download 3

43 Data Subset

44 Data Subset: Cases 1

45 Data Subset: Cases 2

46 Data Subsetting: Variables

47 Data Subset: Download

48 Tabulation

49 Tabulation: Rows

50 Tabulation: Columns

51 Tabulation: Choose Categories 1

52 Tabulation: Choose Categories 2

53 Tabulation: Barchart

54 Subset Icon: Another Option

55 Nesstar Help: User Guide http://nesstar.tdr.uoguelph.ca/webview/ help/index.html

56 Nesstar Help: Viewlet Tutorials

57 Contact Us http://tdr.uoguelph.ca/mail.htm

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