1. Soc 332.6 : Principles of Research Design LONGITUDINAL DATA Sunny Kaniyathu, Data Services Librarian

2. Longitudinal Data  Data observed over time as well as across units  Units: individuals, firms, provinces, countries, etc.  Combines Time Series with Cross-sectional data  Time series  Data for a unit measured at uniform time intervals  Cross-sectional data  Data across units measured at a particular time point

3. Longitudinal Data Structure Source: ESRC - Longitudinal Data Analysis for Social Science Researchers [http://www.longitudinal.stir.ac.uk/publications.html]http://www.longitudinal.stir.ac.uk/publications.html

4. Data: Statistics Canada  Single data producer but multiple access points  Not every access point provides access to all data  Exception: Buy data directly from Statistics Canada  Data available for free under DLI LicenseDLI License DLI: Data Liberation Initiative

5. Sources and access points  Relevant data sources  CANSIM: Comprehensive Canadian socioeconomic database Collection of data from various surveys  Census of Canada Population survey conducted every five years  Access Points  Statistics Canada website Some data can be downloaded  Several dissemination platforms

6. Access: Statistics Canada website  Main Catalogue Main Catalogue  Browse surveys and locate tables  Find survey related documentation and analytical studies  Obtain CANSIM numbers for data tables

7. Statistics Canada Catalogue

8. Search by Surveys

9. Related products

10. Search by Subject  Find all resources under a given subject

11. Data via other platforms  Access to platforms: Data and GIS Library ServicesLibrary Services  CANSIM on CHASS / E-STAT  CHASS updated weekly [Wednesdays]  E-STAT Updated yearly Some data series may be aggregated for example: yearly versus monthly data Contains some census data

12. Access to Platforms

13. CANSIM on CHASS

14. In SPSS format

15. CANSIM [contd.]  Search by subjects  Search by surveys

16. Data via other platforms [contd.]  Retrieve complete surveys [DLI collection]DLI collection  PUMF – Public Use Master Files  Not raw data [RDC]RDC

17. Data via other platforms [contd.]  EQUINOX  Data in SPSS, STATA, SAS, IVT formats  IVT format: requires Beyond 20/20 browser Free Download Browser User GuideUser Guide Data can be saved in other formats Windows only

18. EQUINOX

19. SPSS Example

20. Beyond 20/20 browser  Example: Uniform Crime Reporting Survey  File in.IVT format

21. Data via other platforms [contd.]  NESSTAR  Data can be viewed, not downloaded  For data downloads, contact Data Services  Detailed metadata including variable definitions and documentation  View frequency distributions for variables

22. NESSTAR

23. Census Data  E-STAT  Community Profiles: Statistics Canada website Community Profiles  Canadian Census Analyzer  EQUINOX  PUMF files and profile tables

24. Community Profiles

25. Canadian Census Analyzer

26. Data and GIS Library Services  Available: all DLI data  Primary Contact:  Sunny Kaniyathu: 306 966 8841; sunny.kaniyathu@usask.ca sunny.kaniyathu@usask.ca  Secondary Contact(s):  Winnie Smit: 306 966 7261; winnie.smit@usask.cawinnie.smit@usask.ca  Robert Alary: 306 966 5987; robert.alary@usask.carobert.alary@usask.ca  Website: http://library.usask.ca/murray/data-and- gis/contact/dls-staff.phphttp://library.usask.ca/murray/data-and- gis/contact/dls-staff.php

27. Useful publications/ links  Canadian Social TrendsTrends  Canada at a GlanceGlance  Canada Year BookBook  Historical Statistics of CanadaCanada  Census 2006 Dictionary/ IndexDictionaryIndex  Statistics Canada ThesaurusThesaurus  Standard Geographical Classification (Vol. I)Vol. I  Survey Methods and PracticesPractices  Survey MethodologyMethodology  Citing Statistics Canada DataData

28. Useful links  Data and Statistics LibGuide Data and Statistics LibGuide  Data Library Services Data Library Services

29. Questions?