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Results
All (26)
All (26) (0 to 10 of 26 results)
- 1. Linearization variance estimation for generalized raking estimators in the presence of nonresponse ArchivedArticles and reports: 12-001-X201000211380Description:
Alternative forms of linearization variance estimators for generalized raking estimators are defined via different choices of the weights applied (a) to residuals and (b) to the estimated regression coefficients used in calculating the residuals. Some theory is presented for three forms of generalized raking estimator, the classical raking ratio estimator, the 'maximum likelihood' raking estimator and the generalized regression estimator, and for associated linearization variance estimators. A simulation study is undertaken, based upon a labour force survey and an income and expenditure survey. Properties of the estimators are assessed with respect to both sampling and nonresponse. The study displays little difference between the properties of the alternative raking estimators for a given sampling scheme and nonresponse model. Amongst the variance estimators, the approach which weights residuals by the design weight can be severely biased in the presence of nonresponse. The approach which weights residuals by the calibrated weight tends to display much less bias. Varying the choice of the weights used to construct the regression coefficients has little impact.
Release date: 2010-12-21 - Articles and reports: 12-001-X201000211381Description:
Taylor linearization methods are often used to obtain variance estimators for calibration estimators of totals and nonlinear finite population (or census) parameters, such as ratios, regression and correlation coefficients, which can be expressed as smooth functions of totals. Taylor linearization is generally applicable to any sampling design, but it can lead to multiple variance estimators that are asymptotically design unbiased under repeated sampling. The choice among the variance estimators requires other considerations such as (i) approximate unbiasedness for the model variance of the estimator under an assumed model, and (ii) validity under a conditional repeated sampling framework. Demnati and Rao (2004) proposed a unified approach to deriving Taylor linearization variance estimators that leads directly to a unique variance estimator that satisfies the above considerations for general designs. When analyzing survey data, finite populations are often assumed to be generated from super-population models, and analytical inferences on model parameters are of interest. If the sampling fractions are small, then the sampling variance captures almost the entire variation generated by the design and model random processes. However, when the sampling fractions are not negligible, the model variance should be taken into account in order to construct valid inferences on model parameters under the combined process of generating the finite population from the assumed super-population model and the selection of the sample according to the specified sampling design. In this paper, we obtain an estimator of the total variance, using the Demnati-Rao approach, when the characteristics of interest are assumed to be random variables generated from a super-population model. We illustrate the method using ratio estimators and estimators defined as solutions to calibration weighted estimating equations. Simulation results on the performance of the proposed variance estimator for model parameters are also presented.
Release date: 2010-12-21 - 3. Why has the gender wage gap narrowed? ArchivedArticles and reports: 75-001-X201100111394Geography: CanadaDescription:
The gender gap in hourly wages narrowed between the late 1980s and the late 2000s. This article analyses the narrowing wage gap according to the changing characteristics of men and women in paid work, the changes in pay received for those characteristics, and the extent to which who works in each period affects the results.
Release date: 2010-12-20 - Articles and reports: 81-004-X201000511367Description:
This article draws a profile of trade qualifiers in 2007, using data from the Registered Apprenticeship Information System (RAIS). A trade qualifier is a person who has not completed an apprenticeship program but has acquired enough practical work experience to write the examination to obtain the certificate of qualification (or certificate of competence) issued by the provincial or territorial authorities responsible for certifying trades workers. Trade qualifiers accounted for 43% of certificates of qualification issued in the apprenticeable trades in 2007.
Release date: 2010-12-13 - Articles and reports: 81-004-X201000511386Description:
This article examines changes in the age composition of college and university students over time. It also examines these changes by other student characteristics, including sex, status as an international student, and program level. Finally, it relates changes in the composition of postsecondary students to changing patterns of participation in college and university in Canada.
The data for this analysis are provided by the Postsecondary Student Information System (PSIS). Data on age are currently available for the 1992 to 2007 period for university students and for the 2000 to 2006 period for college students.
Release date: 2010-12-13 - Articles and reports: 16-002-X201000411372Geography: CanadaDescription:
Potable water of sufficient quality and in adequate quantities is fundamental to human health and the economy. This article examines temporal and geographic variations in drinking water production volumes.
Release date: 2010-12-08 - 7. Government Revenue Attributable to Tourism, 2009 ArchivedArticles and reports: 13-604-M2010067Description:
This publication presents estimates of government revenues attributable to tourism for the years 2003 to 2009. Estimates of the revenue attributable to tourism spending by non-residents (i.e. tourism exports) and by residents (i.e. tourism domestic demand) are also included. The main data sources are the Canadian Tourism Satellite Account, National Tourism Indicators, the Income and Expenditure Accounts, the Input-Output tables and T-4 tax remittance files.
Government revenue covers receipts from taxes on incomes (i.e., on employment earnings, corporate profits, net income of unincorporated business and government business enterprises), contributions to social insurance plans (i.e., premiums for Canada/Quebec Pension Plan, Employment Insurance and workers compensation), taxes on production and products (such as sales and property taxes), and from sales of government goods and services. These revenues are broken down into parts that can be attributed to tourism spending, tourism domestic demand and tourism exports for government as a whole and for the three levels of government (federal, provincial/territorial and municipal) separately. Estimates of the government revenue generated per $100 of tourism spending overall and by residents and non-residents are reported as well. The publication contains several charts and summary tables showing revenues attributable to tourism by level of government and by source of revenue. It also contains a discussion of the concepts, definitions, data sources and methods used in the study.
Release date: 2010-11-10 - Articles and reports: 85-002-X201000311354Geography: Province or territoryDescription:
This Juristat article presents information on homicides against police officers in Canada. Specific issues include the incidence and geographical location of this type of offence, the most common types of situations when officers are killed and the type of weapon used.
Release date: 2010-10-26 - Articles and reports: 82-003-X201000311333Geography: Province or territoryDescription:
This study uses data from Statistics Canada's 2005 Canadian Community Health Survey to investigate the relationship between age, geographic region and risk factors for sexually transmitted infections in British Columbia.
Release date: 2010-09-15 - 10. Freshwater supply and demand in Canada ArchivedStats in brief: 16-201-X201000011295Geography: CanadaDescription:
This analytical article "Freshwater Supply and Demand in Canada", provides information on Canada's freshwater supply as well as the demands placed on it. New research done within Statistics Canada is complimented by information from other sources, including other federal government departments, international bodies and scientific journals.
Section 1 of this article compares Canada's renewable water resources to those of other countries, introduces key highlights and presents a short water primer. Section 2 quantifies Canada's renewable water resources (annual water yield), shows how water yield has changed from 1971 to 2004, and presents graphs of water yield by month for four regions of the country. Section 3 quantifies economic and residential water use in Canada and concludes with an analysis of the relationship between supply and demand. A glossary of terms used in the publication is available in Section 4.
Release date: 2010-09-13
Stats in brief (1)
Stats in brief (1) ((1 result))
- 1. Freshwater supply and demand in Canada ArchivedStats in brief: 16-201-X201000011295Geography: CanadaDescription:
This analytical article "Freshwater Supply and Demand in Canada", provides information on Canada's freshwater supply as well as the demands placed on it. New research done within Statistics Canada is complimented by information from other sources, including other federal government departments, international bodies and scientific journals.
Section 1 of this article compares Canada's renewable water resources to those of other countries, introduces key highlights and presents a short water primer. Section 2 quantifies Canada's renewable water resources (annual water yield), shows how water yield has changed from 1971 to 2004, and presents graphs of water yield by month for four regions of the country. Section 3 quantifies economic and residential water use in Canada and concludes with an analysis of the relationship between supply and demand. A glossary of terms used in the publication is available in Section 4.
Release date: 2010-09-13
Articles and reports (25)
Articles and reports (25) (0 to 10 of 25 results)
- 1. Linearization variance estimation for generalized raking estimators in the presence of nonresponse ArchivedArticles and reports: 12-001-X201000211380Description:
Alternative forms of linearization variance estimators for generalized raking estimators are defined via different choices of the weights applied (a) to residuals and (b) to the estimated regression coefficients used in calculating the residuals. Some theory is presented for three forms of generalized raking estimator, the classical raking ratio estimator, the 'maximum likelihood' raking estimator and the generalized regression estimator, and for associated linearization variance estimators. A simulation study is undertaken, based upon a labour force survey and an income and expenditure survey. Properties of the estimators are assessed with respect to both sampling and nonresponse. The study displays little difference between the properties of the alternative raking estimators for a given sampling scheme and nonresponse model. Amongst the variance estimators, the approach which weights residuals by the design weight can be severely biased in the presence of nonresponse. The approach which weights residuals by the calibrated weight tends to display much less bias. Varying the choice of the weights used to construct the regression coefficients has little impact.
Release date: 2010-12-21 - Articles and reports: 12-001-X201000211381Description:
Taylor linearization methods are often used to obtain variance estimators for calibration estimators of totals and nonlinear finite population (or census) parameters, such as ratios, regression and correlation coefficients, which can be expressed as smooth functions of totals. Taylor linearization is generally applicable to any sampling design, but it can lead to multiple variance estimators that are asymptotically design unbiased under repeated sampling. The choice among the variance estimators requires other considerations such as (i) approximate unbiasedness for the model variance of the estimator under an assumed model, and (ii) validity under a conditional repeated sampling framework. Demnati and Rao (2004) proposed a unified approach to deriving Taylor linearization variance estimators that leads directly to a unique variance estimator that satisfies the above considerations for general designs. When analyzing survey data, finite populations are often assumed to be generated from super-population models, and analytical inferences on model parameters are of interest. If the sampling fractions are small, then the sampling variance captures almost the entire variation generated by the design and model random processes. However, when the sampling fractions are not negligible, the model variance should be taken into account in order to construct valid inferences on model parameters under the combined process of generating the finite population from the assumed super-population model and the selection of the sample according to the specified sampling design. In this paper, we obtain an estimator of the total variance, using the Demnati-Rao approach, when the characteristics of interest are assumed to be random variables generated from a super-population model. We illustrate the method using ratio estimators and estimators defined as solutions to calibration weighted estimating equations. Simulation results on the performance of the proposed variance estimator for model parameters are also presented.
Release date: 2010-12-21 - 3. Why has the gender wage gap narrowed? ArchivedArticles and reports: 75-001-X201100111394Geography: CanadaDescription:
The gender gap in hourly wages narrowed between the late 1980s and the late 2000s. This article analyses the narrowing wage gap according to the changing characteristics of men and women in paid work, the changes in pay received for those characteristics, and the extent to which who works in each period affects the results.
Release date: 2010-12-20 - Articles and reports: 81-004-X201000511367Description:
This article draws a profile of trade qualifiers in 2007, using data from the Registered Apprenticeship Information System (RAIS). A trade qualifier is a person who has not completed an apprenticeship program but has acquired enough practical work experience to write the examination to obtain the certificate of qualification (or certificate of competence) issued by the provincial or territorial authorities responsible for certifying trades workers. Trade qualifiers accounted for 43% of certificates of qualification issued in the apprenticeable trades in 2007.
Release date: 2010-12-13 - Articles and reports: 81-004-X201000511386Description:
This article examines changes in the age composition of college and university students over time. It also examines these changes by other student characteristics, including sex, status as an international student, and program level. Finally, it relates changes in the composition of postsecondary students to changing patterns of participation in college and university in Canada.
The data for this analysis are provided by the Postsecondary Student Information System (PSIS). Data on age are currently available for the 1992 to 2007 period for university students and for the 2000 to 2006 period for college students.
Release date: 2010-12-13 - Articles and reports: 16-002-X201000411372Geography: CanadaDescription:
Potable water of sufficient quality and in adequate quantities is fundamental to human health and the economy. This article examines temporal and geographic variations in drinking water production volumes.
Release date: 2010-12-08 - 7. Government Revenue Attributable to Tourism, 2009 ArchivedArticles and reports: 13-604-M2010067Description:
This publication presents estimates of government revenues attributable to tourism for the years 2003 to 2009. Estimates of the revenue attributable to tourism spending by non-residents (i.e. tourism exports) and by residents (i.e. tourism domestic demand) are also included. The main data sources are the Canadian Tourism Satellite Account, National Tourism Indicators, the Income and Expenditure Accounts, the Input-Output tables and T-4 tax remittance files.
Government revenue covers receipts from taxes on incomes (i.e., on employment earnings, corporate profits, net income of unincorporated business and government business enterprises), contributions to social insurance plans (i.e., premiums for Canada/Quebec Pension Plan, Employment Insurance and workers compensation), taxes on production and products (such as sales and property taxes), and from sales of government goods and services. These revenues are broken down into parts that can be attributed to tourism spending, tourism domestic demand and tourism exports for government as a whole and for the three levels of government (federal, provincial/territorial and municipal) separately. Estimates of the government revenue generated per $100 of tourism spending overall and by residents and non-residents are reported as well. The publication contains several charts and summary tables showing revenues attributable to tourism by level of government and by source of revenue. It also contains a discussion of the concepts, definitions, data sources and methods used in the study.
Release date: 2010-11-10 - Articles and reports: 85-002-X201000311354Geography: Province or territoryDescription:
This Juristat article presents information on homicides against police officers in Canada. Specific issues include the incidence and geographical location of this type of offence, the most common types of situations when officers are killed and the type of weapon used.
Release date: 2010-10-26 - Articles and reports: 82-003-X201000311333Geography: Province or territoryDescription:
This study uses data from Statistics Canada's 2005 Canadian Community Health Survey to investigate the relationship between age, geographic region and risk factors for sexually transmitted infections in British Columbia.
Release date: 2010-09-15 - Articles and reports: 82-003-X201000311325Geography: CanadaDescription:
This article reports the results of a 14-year longitudinal analysis of the relationship between T2D incidence and household income and individual educational attainment. It also examines demographic and behavioural factors that may mediate this relationship.
Release date: 2010-08-18
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