GGR 124Y1Y - URBANIZATION, CONTEMPORARY CITIES AND URBAN LIFE

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GGR 124Y1Y - URBANIZATION, CONTEMPORARY CITIES
AND URBAN LIFE

• Date January 29, 2002
• Presenter Laine G.M. Ruus,
• Data Library Service, UT

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Who collects data about us?

• Marketing and public opinion companies
• Banks and credit companies
• Government

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Data source considerations (quality)

• Protection/guarantee of privacy and
  confidentiality
• Changes and corrections
• Obligation to publish/inform

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Government data collection federal

• Canada Customs and Revenue Agency
• Citizenship and Immigration Canada
• Human Resources Development Canada
• Statistics Canada

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Government data collection provincial

• Consumer and Business Services
• Registration Division
• Registrar General Branch
• Ministry of Health and Long-term Care
• Ministry of Transportation

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Statistics Canada data

• Process-produced data (eg. births, deaths,
  marriages, imports, exports, etc.)
• Sample surveys (eg. Monthly labour force survey,
  etc.)
• Census of population (100 sample)
• first conducted in 1666
• every 10 years 1871-1951
• every 5 years 1961-2001 (latest)

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First some concepts what is Toronto?

• Greater Toronto Area (GTA)
• Toronto CMA (Statistics Canada definition)
• Metro Toronto
• (New incorporated municipality1 census division)
• City of Toronto
• (Former incorporated municipality1 census
  subdivision)
• Inner suburbs (5 census subdivisions)

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Census geography (selected)

• Census metropolitan area urban core labour
  watershed
• Census division county
• Census subdivision municipality
• Census tract neighbourhood

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Census products from Statistics Canada

• Print products
• dictionaries of census terms
• profiles of census subdivisions census tracts
• multivariate distributions at large geographic
  levels (provinces, CMAs, census subdivisions)
• print maps
• Located in Data, Maps Government Documents, 5th
  Floor, Robarts Library

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Census products from StatsCan (contd)

• Computer files
• dictionaries of census terms (1996 and on)
• profiles of all major census geographies (1991
  and on)
• multivariate tabulations at small levels of
  geography
• digitized maps (vector maps)
• Accessible from Data Library Service
• lthttp//www.chass.utoronto.ca/datalib/gt

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• This assignment is about
• Interpreting descriptive statistics
• Analyzing change 1981-1996
• By comparing statistics from 1981 and 1996 census
  of population
• Percentages
• Averages

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You have two choices

• Use the tailored subsets of 1981 and 1996 census
  profile data linked under Summary of resources
  at
• lthttp//www.chass.utoronto.ca/datalib/classes/ggr1
  24/ggr124.htmgt
• or, gather the statistics you need for the
  assignment from printed sources and databases as
  outlined later in the same web page.

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Things to notice

• Random rounding all cells independently rounded
  up or down to a multiple of 5
• 100 sample and 20 sample indicate which
  census questionnaire (short or long form).
• All numbers are for 100 of the population.
• Definitions change over time.
• Available information changes over time.

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Summary of points to look out for

• Be aware of which Toronto you are describing
• 100 versus 20 sample data all are weighted to
  100 of the population
• Random rounding cells may not add up correctly
• Same information is not available in all censuses
• Use appropriate base population in denominator
  when calculating percentages

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Summary of points to look out for (contd)

• Labels over time a label change usually is a
  sign of a definition change
• The bottom line document your decisions.

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Summary of points to look out for (contd)

• Definition and classification changes
• ethnic origin single versus multiple origins
• ethnic origin British w/wo Irish
• occupation SOC80 versus SOC91
• place of birth versus immigrant population
• household versus dwelling
• income years versus inflation (cpi)
• LICO (low income cut off)

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Points to look out for (contd)

• Toronto the many
• Greater Toronto Area (GTA)
• Toronto CMA
• Metro Toronto
• City of Toronto

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Points to look out for (contd)

• Abbreviations
• nie not included elsewhere
• nle not listed elsewhere
• LICO low income cut-off

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and the last point is.

• When you use statistics in a paper, always cite
  your sources, print and computer files
• Census of Canada, 1981 profile of census tracts
  computer file. Canada Statistics Canada
  producer and distributor, 1985
• Census of Canada, 1996 profile of census tracts
  computer file. Canada Statistics Canada
  producer and distributor, 1998.