Soc 332.6 : Principles of Research Design LONGITUDINAL DATA Sunny Kaniyathu, Data Services...
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Transcript of Soc 332.6 : Principles of Research Design LONGITUDINAL DATA Sunny Kaniyathu, Data Services...
Soc 332.6 : Principles of Research Design
LONGITUDINAL DATASunny Kaniyathu, Data Services
Librarian
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
Longitudinal Data Structure
Source: ESRC - Longitudinal Data Analysis for Social Science Researchers [http://www.longitudinal.stir.ac.uk/publications.html]
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 License
DLI: Data Liberation Initiative
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
Access: Statistics Canada website Main Catalogue
Browse surveys and locate tables Find survey related documentation and
analytical studies Obtain CANSIM numbers for data tables
Statistics Canada Catalogue
Search by Surveys
Related products
Search by Subject
Find all resources under a given subject
Data via other platforms
Access to platforms: Data and GIS Library 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
Access to Platforms
CANSIM on CHASS
In SPSS format
CANSIM [contd.]
Search by subjects Search by surveys
Data via other platforms [contd.] Retrieve complete surveys [
DLI collection] PUMF – Public Use Master Files
Not raw data [RDC]
Data via other platforms [contd.] EQUINOX
Data in SPSS, STATA, SAS, IVT formats IVT format: requires Beyond 20/20 browser
Free Download Browser User Guide Data can be saved in other formats Windows only
EQUINOX
SPSS Example
Beyond 20/20 browser
Example: Uniform Crime Reporting Survey
File in .IVT format
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
NESSTAR
Census Data
E-STAT Community Profiles: Statistics Canada
website Canadian Census Analyzer EQUINOX
PUMF files and profile tables
Community Profiles
Canadian Census Analyzer
Data and GIS Library Services Available: all DLI data Primary Contact:
Sunny Kaniyathu: 306 966 8841; [email protected]
Secondary Contact(s): Winnie Smit: 306 966 7261;
[email protected] Robert Alary: 306 966 5987;
[email protected] Website:
http://library.usask.ca/murray/data-and-gis/contact/dls-staff.php
Useful publications/ links
Canadian Social Trends Canada at a Glance Canada Year Book Historical Statistics of Canada Census 2006 Dictionary/ Index Statistics Canada Thesaurus Standard Geographical Classification (Vol. I) Survey Methods and Practices Survey Methodology Citing Statistics Canada Data
Useful links
Data and Statistics LibGuide Data Library Services
Questions?
