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- 1. The organisation of statistical methodology and methodological research in national statistical offices ArchivedArticles and reports: 12-001-X201000211375Description:
The paper explores and assesses the approaches used by statistical offices to ensure effective methodological input into their statistical practice. The tension between independence and relevance is a common theme: generally, methodologists have to work closely with the rest of the statistical organisation for their work to be relevant; but they also need to have a degree of independence to question the use of existing methods and to lead the introduction of new ones where needed. And, of course, there is a need for an effective research program which, on the one hand, has a degree of independence needed by any research program, but which, on the other hand, is sufficiently connected so that its work is both motivated by and feeds back into the daily work of the statistical office. The paper explores alternative modalities of organisation; leadership; planning and funding; the role of project teams; career development; external advisory committees; interaction with the academic community; and research.
Release date: 2010-12-21 - 2. Small area estimation of the number of firms' recruits by using multivariate models for count data ArchivedArticles and reports: 12-001-X201000211379Description:
The number of people recruited by firms in Local Labour Market Areas provides an important indicator of the reorganisation of the local productive processes. In Italy, this parameter can be estimated using the information collected in the Excelsior survey, although it does not provide reliable estimates for the domains of interest. In this paper we propose a multivariate small area estimation approach for count data based on the Multivariate Poisson-Log Normal distribution. This approach will be used to estimate the number of firm recruits both replacing departing employees and filling new positions. In the small area estimation framework, it is customary to assume that sampling variances and covariances are known. However, both they and the direct point estimates suffer from instability. Due to the rare nature of the phenomenon we are analysing, counts in some domains are equal to zero, and this produces estimates of sampling error covariances equal to zero. To account for the extra variability due to the estimated sampling covariance matrix, and to deal with the problem of unreasonable estimated variances and covariances in some domains, we propose an "integrated" approach where we jointly model the parameters of interest and the sampling error covariance matrices. We suggest a solution based again on the Poisson-Log Normal distribution to smooth variances and covariances. The results we obtain are encouraging: the proposed small area estimation model shows a better fit when compared to the Multivariate Normal-Normal (MNN) small area model, and it allows for a non-negligible increase in efficiency.
Release date: 2010-12-21 - 3. Validation of cognitive functioning categories in the Canadian Community Health Survey -Healthy Aging ArchivedArticles and reports: 82-003-X201000411391Geography: CanadaDescription:
This analysis uses data from the Cognition Module of the 2009 Canadian Community Health Survey - Healthy Aging to validate a categorization of levels of cognitive functioning in the household population aged 45 or older.
Release date: 2010-12-15 - 4. Paid work ArchivedArticles and reports: 89-503-X201000111387Geography: CanadaDescription:
The Paid Work chapter of Women in Canada examines the labour market experiences of women and compares it to that of men. In particular, it compares the employment and unemployment trends by age for women and men. It also discusses how part-time work, multiple job holding, unionization, self-employment and the work experiences of mothers have changed over time.
Release date: 2010-12-09 - 5. Child care for First Nations children living off reserve, Métis children, and Inuit children ArchivedArticles and reports: 11-008-X201000211344Geography: CanadaDescription:
Previous research has shown that child care has an impact on children's social and developmental outcomes. However, little is known about child care for First Nations, Métis and Inuit children. The purpose of this study is to describe non-parental child care for First Nations children living off reserve, Métis, and Inuit children in Canada, including the cultural aspects within the care environment. In addition, the availability of culturally-relevant activities and language spoken in care were examined as predictors of children's outcomes.
Release date: 2010-10-19 - Articles and reports: 11-008-X201000211345Geography: CanadaDescription:
This article uses the 2006 Participation and Activity Limitation Survey to examine how many people with disabilities receive help with activities of daily living; the type of daily activities with which they get help; and the care receiver's relationship to the person or persons who provide help with specific tasks. Then it explores how these relationships change as the severity of the care receiver's disability increases.
Release date: 2010-10-19 - Articles and reports: 16-002-X201000311346Geography: CanadaDescription: This article describes changes to the mass balance of six Canadian glaciers through time and is the first in an ongoing series of short analytical articles featuring climate related data. This and future articles are the product of ongoing collaboration among Statistics Canada, Environment Canada and Natural Resources Canada.Release date: 2010-09-22
- Articles and reports: 11-008-X201000211286Geography: CanadaDescription:
Participation in extracurricular activities, including both sports and cultural activities, can be associated with positive benefits for children. The purpose of the current study was to examine participation in sports and cultural activities for Inuit, Métis and off-reserve First Nations children aged 6 to 14 years. Socio-demographic factors including the child's basic characteristics, cultural factors and family characteristics were also examined to determine any associations with participation in sports and cultural activities.
Release date: 2010-07-13 - Articles and reports: 12-001-X201000111247Description:
In this paper, the problem of estimating the variance of various estimators of the population mean in two-phase sampling has been considered by jackknifing the two-phase calibrated weights of Hidiroglou and Särndal (1995, 1998). Several estimators of population mean available in the literature are shown to be the special cases of the technique developed here, including those suggested by Rao and Sitter (1995) and Sitter (1997). By following Raj (1965) and Srivenkataramana and Tracy (1989), some new estimators of the population mean are introduced and their variances are estimated through the proposed jackknife procedure. The variance of the chain ratio and regression type estimators due to Chand (1975) are also estimated using the jackknife. A simulation study is conducted to assess the efficiency of the proposed jackknife estimators relative to the usual estimators of variance.
Release date: 2010-06-29 - 10. The Social Economy Across the Rural to Urban Gradient: Evidence from Registered Charities ArchivedArticles and reports: 21-601-M2010092Description:
The objective of this paper is to present a profile of registered charities across the rural to urban gradient.
Release date: 2010-05-18
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Articles and reports (13)
Articles and reports (13) (0 to 10 of 13 results)
- 1. The organisation of statistical methodology and methodological research in national statistical offices ArchivedArticles and reports: 12-001-X201000211375Description:
The paper explores and assesses the approaches used by statistical offices to ensure effective methodological input into their statistical practice. The tension between independence and relevance is a common theme: generally, methodologists have to work closely with the rest of the statistical organisation for their work to be relevant; but they also need to have a degree of independence to question the use of existing methods and to lead the introduction of new ones where needed. And, of course, there is a need for an effective research program which, on the one hand, has a degree of independence needed by any research program, but which, on the other hand, is sufficiently connected so that its work is both motivated by and feeds back into the daily work of the statistical office. The paper explores alternative modalities of organisation; leadership; planning and funding; the role of project teams; career development; external advisory committees; interaction with the academic community; and research.
Release date: 2010-12-21 - 2. Small area estimation of the number of firms' recruits by using multivariate models for count data ArchivedArticles and reports: 12-001-X201000211379Description:
The number of people recruited by firms in Local Labour Market Areas provides an important indicator of the reorganisation of the local productive processes. In Italy, this parameter can be estimated using the information collected in the Excelsior survey, although it does not provide reliable estimates for the domains of interest. In this paper we propose a multivariate small area estimation approach for count data based on the Multivariate Poisson-Log Normal distribution. This approach will be used to estimate the number of firm recruits both replacing departing employees and filling new positions. In the small area estimation framework, it is customary to assume that sampling variances and covariances are known. However, both they and the direct point estimates suffer from instability. Due to the rare nature of the phenomenon we are analysing, counts in some domains are equal to zero, and this produces estimates of sampling error covariances equal to zero. To account for the extra variability due to the estimated sampling covariance matrix, and to deal with the problem of unreasonable estimated variances and covariances in some domains, we propose an "integrated" approach where we jointly model the parameters of interest and the sampling error covariance matrices. We suggest a solution based again on the Poisson-Log Normal distribution to smooth variances and covariances. The results we obtain are encouraging: the proposed small area estimation model shows a better fit when compared to the Multivariate Normal-Normal (MNN) small area model, and it allows for a non-negligible increase in efficiency.
Release date: 2010-12-21 - 3. Validation of cognitive functioning categories in the Canadian Community Health Survey -Healthy Aging ArchivedArticles and reports: 82-003-X201000411391Geography: CanadaDescription:
This analysis uses data from the Cognition Module of the 2009 Canadian Community Health Survey - Healthy Aging to validate a categorization of levels of cognitive functioning in the household population aged 45 or older.
Release date: 2010-12-15 - 4. Paid work ArchivedArticles and reports: 89-503-X201000111387Geography: CanadaDescription:
The Paid Work chapter of Women in Canada examines the labour market experiences of women and compares it to that of men. In particular, it compares the employment and unemployment trends by age for women and men. It also discusses how part-time work, multiple job holding, unionization, self-employment and the work experiences of mothers have changed over time.
Release date: 2010-12-09 - 5. Child care for First Nations children living off reserve, Métis children, and Inuit children ArchivedArticles and reports: 11-008-X201000211344Geography: CanadaDescription:
Previous research has shown that child care has an impact on children's social and developmental outcomes. However, little is known about child care for First Nations, Métis and Inuit children. The purpose of this study is to describe non-parental child care for First Nations children living off reserve, Métis, and Inuit children in Canada, including the cultural aspects within the care environment. In addition, the availability of culturally-relevant activities and language spoken in care were examined as predictors of children's outcomes.
Release date: 2010-10-19 - Articles and reports: 11-008-X201000211345Geography: CanadaDescription:
This article uses the 2006 Participation and Activity Limitation Survey to examine how many people with disabilities receive help with activities of daily living; the type of daily activities with which they get help; and the care receiver's relationship to the person or persons who provide help with specific tasks. Then it explores how these relationships change as the severity of the care receiver's disability increases.
Release date: 2010-10-19 - Articles and reports: 16-002-X201000311346Geography: CanadaDescription: This article describes changes to the mass balance of six Canadian glaciers through time and is the first in an ongoing series of short analytical articles featuring climate related data. This and future articles are the product of ongoing collaboration among Statistics Canada, Environment Canada and Natural Resources Canada.Release date: 2010-09-22
- Articles and reports: 11-008-X201000211286Geography: CanadaDescription:
Participation in extracurricular activities, including both sports and cultural activities, can be associated with positive benefits for children. The purpose of the current study was to examine participation in sports and cultural activities for Inuit, Métis and off-reserve First Nations children aged 6 to 14 years. Socio-demographic factors including the child's basic characteristics, cultural factors and family characteristics were also examined to determine any associations with participation in sports and cultural activities.
Release date: 2010-07-13 - Articles and reports: 12-001-X201000111247Description:
In this paper, the problem of estimating the variance of various estimators of the population mean in two-phase sampling has been considered by jackknifing the two-phase calibrated weights of Hidiroglou and Särndal (1995, 1998). Several estimators of population mean available in the literature are shown to be the special cases of the technique developed here, including those suggested by Rao and Sitter (1995) and Sitter (1997). By following Raj (1965) and Srivenkataramana and Tracy (1989), some new estimators of the population mean are introduced and their variances are estimated through the proposed jackknife procedure. The variance of the chain ratio and regression type estimators due to Chand (1975) are also estimated using the jackknife. A simulation study is conducted to assess the efficiency of the proposed jackknife estimators relative to the usual estimators of variance.
Release date: 2010-06-29 - 10. The Social Economy Across the Rural to Urban Gradient: Evidence from Registered Charities ArchivedArticles and reports: 21-601-M2010092Description:
The objective of this paper is to present a profile of registered charities across the rural to urban gradient.
Release date: 2010-05-18
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