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- Surveys and statistical programs – Documentation: 75F0002M2002006Description:
This user's guide provides a detailed description of the CD-ROM Income trends in Canada (Catalogue no. 13F0022XCB). It also provides a glossary and a description of the major concepts, as well as an overview of the data source, the Survey of Labour and Income Dynamics (SLID).
Release date: 2002-11-19 - Surveys and statistical programs – Documentation: 11-522-X20010016225Description:
The European Union Labour Forces Survey (LFS) is based on national surveys that were originally very different. For the past decade, under pressure from increasingly demanding users (particularly with respect to timeliness, comparability and flexibility), the LFS has been subjected to a constant process of quality improvement.
The following topics are presented in this paper:A. the quality improvement process, which comprises screening national survey methods, target structure, legal foundations, quality reports, more accurate and more explicit definitions of components, etc.;B. expected or achieved results, which include an ongoing survey producing quarterly results within reasonable time frames, comparable employment and unemployment rates over time and space in more than 25 countries, specific information on current political topics, etc.;C. continuing shortcomings, such as implementation delays in certain countries, possibilities of longitudinal analysis, public access to microdata, etc.; D. future tasks envisioned, such as adaptation of the list of ISCO and ISCED variables and nomenclatures (to take into account evolution in employment and teaching methods), differential treatment of structural variables and increased recourse to administrative files (to limit respondent burden), harmonization of questionnaires, etc.
Release date: 2002-09-12 - Articles and reports: 11-522-X20010016228Description:
The Current Population Survey is the primary source of labour force data for the United States. Throughout any survey process, it is critical that data quality be ensured. This paper discusses how quality issues are addressed during all steps of the survey process, including the development of the sample frame, sampling operations, sample control, data collection, editing, imputation, estimation, questionnaire development. It also reviews the quality evaluations that are built into the survey process. The paper concludes with a discussion of current research and possible future improvements to the survey.
Release date: 2002-09-12 - Articles and reports: 11-522-X20010016236Description:
This paper discusses in detail issues dealing with the technical aspects of designing and conducting surveys. It is intended for an audience of survey methodologists.
The Uniform Crime Reporting (UCR) Program has devoted a considerable amount of resources in a continuous effort to improve the quality of its data. In this paper, the authors introduce and discuss the use of the cross-ratios and chi-square measures to evaluate the rationality of the data. The UCR data is used to empirically illustrate this approach.
Release date: 2002-09-12 - Articles and reports: 11-522-X20010016246Description:
This paper discusses in detail issues dealing with the technical aspects of designing and conducting surveys. It is intended for an audience of survey methodologists.
Samples sizes in small population areas are typically very small. As a result, customary, area-specific, direct estimators of Small Area Means do not provide acceptable quality in terms of Mean Square Error (MSE). Indirect estimators that borrow strength from related areas by linking models based on similar auxiliary data are now widely used for small area estimation. Such linking models are either implicit (as in the case of synthetic estimators) or explicit (as in the case of model-based estimators). In the Frequentist approach, the quality of an indirect estimator is measured by its estimated MSE while the posterior variance of the Small Area Mean is used in the Bayesian approach. This paper reviews some recent work on estimating MSE and the evaluation of posterior variance.
Release date: 2002-09-12 - 6. Evaluation of small area estimation methods - An application to unemployment estimates from the UK LFS ArchivedArticles and reports: 11-522-X20010016247Description:
This paper discusses in detail issues dealing with the technical aspects of designing and conducting surveys. It is intended for an audience of survey methodologists.
This paper describes joint research by the Office for National Statistics (ONS) and Southampton University regarding the evaluation of several different approaches to the local estimation of International Labour Office (ILO) unemployment. The need to compare estimators with different underlying assumptions has led to a focus on evaluation methods that are (partly at least) model-independent. Model-fit diagnostics that have been considered include: various residual procedures, cross-validation, predictive validation, consistency with marginals, and consistency with direct estimates within single cells. These diagnostics have been used to compare different model-based estimators with each other and with direct estimators.
Release date: 2002-09-12 - 7. Aligning estimates by repeated weighting ArchivedArticles and reports: 11-522-X20010016254Description:
This paper discusses in detail issues dealing with the technical aspects of designing and conducting surveys. It is intended for an audience of survey methodologists.
At Statistics Netherlands, the design and organization of the statistical process is changing rapidly, motivated by the need to produce more consistent data and to cut down the response burden. The ideas behind the new production process are the integration of all survey and administrative data into a limited number of micro-databases and the development of an estimation strategy for those databases.
This paper provides the initial incentive for an estimation strategy per micro-database. The proposed strategy ensures that all estimated m-way tables are numerically consistent with respect to common margins, even if these tables are estimated from different surveys. Although still based on the calibration principle, it is not necessarily centred on a fixed set of weights per survey. The practicability of the strategy is tested by means of a fictitious example.
Release date: 2002-09-12 - 8. Cut-off sampling and estimation ArchivedArticles and reports: 11-522-X20010016259Description:
This paper discusses in detail issues dealing with the technical aspects of designing and conducting surveys. It is intended for an audience of survey methodologists.
In cut-off sampling, part of the target population is deliberately excluded from selection. In business statistics, the frame and the sample are typically restricted to enterprises of at least a given size (e.g. a certain number of employees). The response burden is eliminated for the small enterprises, but assumptions must be used for the non-sampled part of the population. Cut-off sampling has merits but requires care when measuring size and methodological work with models.
This paper presents some empirical Swedish results based on one survey and administrative data. Different error sources and their effects on the overall accuracy are discussed.
Release date: 2002-09-12 - 9. Redesign of the French Census of Population ArchivedArticles and reports: 11-522-X20010016264Description:
This paper discusses in detail issues dealing with the technical aspects of designing and conducting surveys. It is intended for an audience of survey methodologists.
Conducting a census by traditional methods is becoming more difficult. The possibility of cross-linking administrative files provides an attractive alternative to conducting periodic censuses (Laihonen, 2000; Borchsenius, 2000). This method was proposed in a recent article by Nathan (2001). The Institut National de la Statistique et des Études Économiques (INSEE) census redesign is based on the idea of a "continuous census," originally suggested by Kish (1981, 1990) and Horvitz (1986). The first approach, which could be feasible in France, can be found in Deville and Jacod's paper (1996). This particular article reviews the methodological developments and approaches used since INSEE started its population census redesign program.
Release date: 2002-09-12 - Surveys and statistical programs – Documentation: 11-522-X20010016269Description:
This paper discusses in detail issues dealing with the technical aspects of designing and conducting surveys. It is intended for an audience of survey methodologists.
In surveys with low response rates, non-response bias can be a major concern. While it is not always possible to measure the actual bias due to non-response, there are different approaches that help identify potential sources of non-response bias. In the National Center for Education Statistics (NCES), surveys with a response rate lower than 70% must conduct a non-response bias analysis. This paper discusses the different approaches to non-response bias analyses using examples from NCES.
Release date: 2002-09-12
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- Articles and reports: 11-522-X20010016228Description:
The Current Population Survey is the primary source of labour force data for the United States. Throughout any survey process, it is critical that data quality be ensured. This paper discusses how quality issues are addressed during all steps of the survey process, including the development of the sample frame, sampling operations, sample control, data collection, editing, imputation, estimation, questionnaire development. It also reviews the quality evaluations that are built into the survey process. The paper concludes with a discussion of current research and possible future improvements to the survey.
Release date: 2002-09-12 - Articles and reports: 11-522-X20010016236Description:
This paper discusses in detail issues dealing with the technical aspects of designing and conducting surveys. It is intended for an audience of survey methodologists.
The Uniform Crime Reporting (UCR) Program has devoted a considerable amount of resources in a continuous effort to improve the quality of its data. In this paper, the authors introduce and discuss the use of the cross-ratios and chi-square measures to evaluate the rationality of the data. The UCR data is used to empirically illustrate this approach.
Release date: 2002-09-12 - Articles and reports: 11-522-X20010016246Description:
This paper discusses in detail issues dealing with the technical aspects of designing and conducting surveys. It is intended for an audience of survey methodologists.
Samples sizes in small population areas are typically very small. As a result, customary, area-specific, direct estimators of Small Area Means do not provide acceptable quality in terms of Mean Square Error (MSE). Indirect estimators that borrow strength from related areas by linking models based on similar auxiliary data are now widely used for small area estimation. Such linking models are either implicit (as in the case of synthetic estimators) or explicit (as in the case of model-based estimators). In the Frequentist approach, the quality of an indirect estimator is measured by its estimated MSE while the posterior variance of the Small Area Mean is used in the Bayesian approach. This paper reviews some recent work on estimating MSE and the evaluation of posterior variance.
Release date: 2002-09-12 - 4. Evaluation of small area estimation methods - An application to unemployment estimates from the UK LFS ArchivedArticles and reports: 11-522-X20010016247Description:
This paper discusses in detail issues dealing with the technical aspects of designing and conducting surveys. It is intended for an audience of survey methodologists.
This paper describes joint research by the Office for National Statistics (ONS) and Southampton University regarding the evaluation of several different approaches to the local estimation of International Labour Office (ILO) unemployment. The need to compare estimators with different underlying assumptions has led to a focus on evaluation methods that are (partly at least) model-independent. Model-fit diagnostics that have been considered include: various residual procedures, cross-validation, predictive validation, consistency with marginals, and consistency with direct estimates within single cells. These diagnostics have been used to compare different model-based estimators with each other and with direct estimators.
Release date: 2002-09-12 - 5. Aligning estimates by repeated weighting ArchivedArticles and reports: 11-522-X20010016254Description:
This paper discusses in detail issues dealing with the technical aspects of designing and conducting surveys. It is intended for an audience of survey methodologists.
At Statistics Netherlands, the design and organization of the statistical process is changing rapidly, motivated by the need to produce more consistent data and to cut down the response burden. The ideas behind the new production process are the integration of all survey and administrative data into a limited number of micro-databases and the development of an estimation strategy for those databases.
This paper provides the initial incentive for an estimation strategy per micro-database. The proposed strategy ensures that all estimated m-way tables are numerically consistent with respect to common margins, even if these tables are estimated from different surveys. Although still based on the calibration principle, it is not necessarily centred on a fixed set of weights per survey. The practicability of the strategy is tested by means of a fictitious example.
Release date: 2002-09-12 - 6. Cut-off sampling and estimation ArchivedArticles and reports: 11-522-X20010016259Description:
This paper discusses in detail issues dealing with the technical aspects of designing and conducting surveys. It is intended for an audience of survey methodologists.
In cut-off sampling, part of the target population is deliberately excluded from selection. In business statistics, the frame and the sample are typically restricted to enterprises of at least a given size (e.g. a certain number of employees). The response burden is eliminated for the small enterprises, but assumptions must be used for the non-sampled part of the population. Cut-off sampling has merits but requires care when measuring size and methodological work with models.
This paper presents some empirical Swedish results based on one survey and administrative data. Different error sources and their effects on the overall accuracy are discussed.
Release date: 2002-09-12 - 7. Redesign of the French Census of Population ArchivedArticles and reports: 11-522-X20010016264Description:
This paper discusses in detail issues dealing with the technical aspects of designing and conducting surveys. It is intended for an audience of survey methodologists.
Conducting a census by traditional methods is becoming more difficult. The possibility of cross-linking administrative files provides an attractive alternative to conducting periodic censuses (Laihonen, 2000; Borchsenius, 2000). This method was proposed in a recent article by Nathan (2001). The Institut National de la Statistique et des Études Économiques (INSEE) census redesign is based on the idea of a "continuous census," originally suggested by Kish (1981, 1990) and Horvitz (1986). The first approach, which could be feasible in France, can be found in Deville and Jacod's paper (1996). This particular article reviews the methodological developments and approaches used since INSEE started its population census redesign program.
Release date: 2002-09-12 - Articles and reports: 11-522-X20010016271Description:
This paper discusses in detail issues dealing with the technical aspects of designing and conducting surveys. It is intended for an audience of survey methodologists.
This paper proposes a method for short-term estimation of labour input indicators using administrative data from the Social Security Database (SSD). The rationale for developing this methodology originated from the need for national statistical offices to meet the standard quality criteria in the Regulation no. 1165/98 of the European Community concerning short-term business statistics. Information requested in the Regulation involves such a detailed disaggregation that it would be impossible to meet all the requirements through direct data collection. Administrative data, because of their timeliness and detailed coverage, represent a valuable source for obtaining estimates of business population aggregates that meet such quality requirements.
Release date: 2002-09-12 - Articles and reports: 11-522-X20010016274Description:
This paper discusses in detail issues dealing with the technical aspects of designing and conducting surveys. It is intended for an audience of survey methodologists.
Since the late 1950s, the probability surveys in the manufacturing sector within the Manufacturing and Construction Division (MCD) had been almost exclusively selected by using Poisson sampling with unit probabilities assigned proportionate to some measure of size. Poisson sampling has the advantage of simplistic variance calculations. Its disadvantage is that the sample size is a random variable, thus adding an additional (and usually positive) component of variance to the survey estimates. In the 1998 survey year, MCD initiated the use of the modified Tillé sampling procedure in some of its surveys. This sampling procedure is used when there is unequal probability of selection and the sample size is fixed. This paper briefly describes this modified procedure and some of its features, and for a variety of dissimilar surveys, itcontrasts variance results obtained using the Tillé procedure to those resulting from the earlier Poisson procedure.
Release date: 2002-09-12 - 10. Hot deck imputation for the response model ArchivedArticles and reports: 11-522-X20010016275Description:
This paper discusses in detail issues dealing with the technical aspects of designing and conducting surveys. It is intended for an audience of survey methodologists.
Hot deck imputation, in which missing items are replaced with values from respondents, is often used in survey sampling. A model supporting such procedures is the model in which response probabilities are assumed equal within imputation cells. In this paper, an efficient version of hot deck imputation is described, as are the variance of the efficient version derived under the cell response model and an approximation to the fully efficient procedure in which a small number of values are imputed for each non-respondent, respectively. Variance estimation procedures are presented and illustrated in a Monte Carlo study.
Release date: 2002-09-12
Reference (3)
Reference (3) ((3 results))
- Surveys and statistical programs – Documentation: 75F0002M2002006Description:
This user's guide provides a detailed description of the CD-ROM Income trends in Canada (Catalogue no. 13F0022XCB). It also provides a glossary and a description of the major concepts, as well as an overview of the data source, the Survey of Labour and Income Dynamics (SLID).
Release date: 2002-11-19 - Surveys and statistical programs – Documentation: 11-522-X20010016225Description:
The European Union Labour Forces Survey (LFS) is based on national surveys that were originally very different. For the past decade, under pressure from increasingly demanding users (particularly with respect to timeliness, comparability and flexibility), the LFS has been subjected to a constant process of quality improvement.
The following topics are presented in this paper:A. the quality improvement process, which comprises screening national survey methods, target structure, legal foundations, quality reports, more accurate and more explicit definitions of components, etc.;B. expected or achieved results, which include an ongoing survey producing quarterly results within reasonable time frames, comparable employment and unemployment rates over time and space in more than 25 countries, specific information on current political topics, etc.;C. continuing shortcomings, such as implementation delays in certain countries, possibilities of longitudinal analysis, public access to microdata, etc.; D. future tasks envisioned, such as adaptation of the list of ISCO and ISCED variables and nomenclatures (to take into account evolution in employment and teaching methods), differential treatment of structural variables and increased recourse to administrative files (to limit respondent burden), harmonization of questionnaires, etc.
Release date: 2002-09-12 - Surveys and statistical programs – Documentation: 11-522-X20010016269Description:
This paper discusses in detail issues dealing with the technical aspects of designing and conducting surveys. It is intended for an audience of survey methodologists.
In surveys with low response rates, non-response bias can be a major concern. While it is not always possible to measure the actual bias due to non-response, there are different approaches that help identify potential sources of non-response bias. In the National Center for Education Statistics (NCES), surveys with a response rate lower than 70% must conduct a non-response bias analysis. This paper discusses the different approaches to non-response bias analyses using examples from NCES.
Release date: 2002-09-12
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