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All (12) (0 to 10 of 12 results)

  • 1. Estimating TFP in the Presence of Outliers and Leverage Points: An Examination of the KLEMS Dataset Archived
    Articles and reports: 11F0027M2007047
    Geography: Canada
    Description:

    This paper examines the effect of aberrant observations in the Capital, Labour, Energy, Materials and Services (KLEMS) database and a method for dealing with them. The level of disaggregation, data construction and economic shocks all potentially lead to aberrant observations that can influence estimates and inference if care is not exercised. Commonly applied pre-tests, such as the augmented Dickey-Fuller and the Kwaitkowski, Phillips, Schmidt and Shin tests, need to be used with caution in this environment because they are sensitive to unusual data points. Moreover, widely known methods for generating statistical estimates, such as Ordinary Least Squares, may not work well when confronted with aberrant observations. To address this, a robust method for estimating statistical relationships is illustrated.

    Release date: 2007-12-05
  • 2. In this issue (Vol. 33, no.1) Archived
    Articles and reports: 12-001-X20070019920
    Description:

    In this Issue is a column where the Editor biefly presents each paper of the current issue of Survey Methodology. As well, it sometimes contain informations on structure or management changes in the journal.

    Release date: 2007-06-28
  • 3. Providing spatial data for secondary analysis: issues and current practices relating to confidentiality Archived
    Articles and reports: 11-522-X20050019433
    Description:

    Spatially explicit data pose a series of opportunities and challenges for all the actors involved in providing data for long-term preservation and secondary analysis - the data producer, the data archive, and the data user.

    Release date: 2007-03-02
  • 4. Interviewer falsification detection using data mining Archived
    Articles and reports: 11-522-X20050019445
    Description:

    This paper describes an innovative use of data mining on response data and metadata to identify, characterize and prevent falsification by field interviewers on the National Survey on Drug Use and Health (NSDUH). Interviewer falsification is the deliberate creation of survey responses by the interviewer without input from the respondent.

    Release date: 2007-03-02
  • 5. Estimating mediated effects in health and epidemiogical research Archived
    Articles and reports: 11-522-X20050019448
    Description:

    The purpose of this paper is to provide an overview of the major theoretical and methodological concepts involved in mediated effects analysis, as well as present some illustrative applications using Structural Equation Modeling (SEM) and data from the 2003 Canadian Health Services Access Survey (HSAS).

    Release date: 2007-03-02
  • 6. Single frame estimation in multiple frame survey Archived
    Articles and reports: 11-522-X20050019449
    Description:

    Literature about Multiple Frame estimation theory mainly concentrates over the Dual Frame case and it is only rarely concerned with the important practical issue of the variance estimation. By using a multiplicity approach a fixed weights Single Frame estimator for Multiple Frame Survey is proposed.

    Release date: 2007-03-02
  • 7. Quarterly Services Survey analysis of response Archived
    Articles and reports: 11-522-X20050019464
    Description:

    The Quarterly Services Survey has maintained comprehensive response data since the survey's inception. In analyzing the data, we concentrate on three fundamental features of response: rate, timeliness, and quality. We examine these three components across multiple dimensions. We observe the effect associated with NAICS classification, company size and response mode.

    Release date: 2007-03-02
  • 8. Solutions for data collection challenges: using process data for responsive design Archived
    Articles and reports: 11-522-X20050019472
    Description:

    Survey process data or paradata can be used to inform design decisions during the course of data collections in order to reduce survey costs while also reducing nonreponse error (Heeringa and Groves, 2004). Such paradata includes call-level histories, sample, household and contact observations, and external information about the sample areas (e.g., urbanicity, population characteristics). These data are used in conjunction with key survey questionnaire variables to inform "responsive design" decisions. Other paradata include interviewer characteristics and performance, instrument characteristics (audit trails), and other quality indicators that are used in statistical process control monitoring. This presentation discussed the types of paradata that can be collected and described the systems that process, integrate, and report on these data. Examples were provided of the uses of these data in responsive design decisions as well as in ongoing quality monitoring.

    Release date: 2007-03-02
  • 9. Anonymisation and release of the EU-SILC database: confidentiality issues in an international environment Archived
    Articles and reports: 11-522-X20050019484
    Description:

    The presentation reviewed the methodological problems related to the anonymisation of a European database, problems enhanced by the multiplicity of perceptions and realities of disclosure risk encountered in the different countries. Best practices are benchmarked against the practical issues. The presentation detailed, first, the Eurostat policy and practical arrangements taken with respect to the release of EU-SILC micro data base and, second, the methodological options taken to anonymise the database. The close inter-relation between these two aspects is highlighted in the presentation. The solution realises a trade off between the reduction of disclosure risk in each national component and the utility of released micro data by preserving information content and harmonisation of procedures used. The future perspectives with respect to European micro data release were also discussed.

    Release date: 2007-03-02
  • 10. Longitudinal Surveys, Retrospective Information and Population Health Measures Archived
    Articles and reports: 11-522-X20050019492
    Description:

    Although it is preferable to calculate population health indicators such as life expectancies in different health states based on health data from longitudinal surveys, they are almost always calculated using health data from cross-section surveys. One way of overcoming this challenge is to use health information collected retrospectively. This study is based on two major propositions. The first proposition is that population health indicators can be calculated using data with retrospective information on health. The second proposition is that estimates calculated based on such data would closely approximate estimates calculated based on data with current health information.

    Release date: 2007-03-02
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Articles and reports (12)

Articles and reports (12) (0 to 10 of 12 results)

  • 1. Estimating TFP in the Presence of Outliers and Leverage Points: An Examination of the KLEMS Dataset Archived
    Articles and reports: 11F0027M2007047
    Geography: Canada
    Description:

    This paper examines the effect of aberrant observations in the Capital, Labour, Energy, Materials and Services (KLEMS) database and a method for dealing with them. The level of disaggregation, data construction and economic shocks all potentially lead to aberrant observations that can influence estimates and inference if care is not exercised. Commonly applied pre-tests, such as the augmented Dickey-Fuller and the Kwaitkowski, Phillips, Schmidt and Shin tests, need to be used with caution in this environment because they are sensitive to unusual data points. Moreover, widely known methods for generating statistical estimates, such as Ordinary Least Squares, may not work well when confronted with aberrant observations. To address this, a robust method for estimating statistical relationships is illustrated.

    Release date: 2007-12-05
  • 2. In this issue (Vol. 33, no.1) Archived
    Articles and reports: 12-001-X20070019920
    Description:

    In this Issue is a column where the Editor biefly presents each paper of the current issue of Survey Methodology. As well, it sometimes contain informations on structure or management changes in the journal.

    Release date: 2007-06-28
  • 3. Providing spatial data for secondary analysis: issues and current practices relating to confidentiality Archived
    Articles and reports: 11-522-X20050019433
    Description:

    Spatially explicit data pose a series of opportunities and challenges for all the actors involved in providing data for long-term preservation and secondary analysis - the data producer, the data archive, and the data user.

    Release date: 2007-03-02
  • 4. Interviewer falsification detection using data mining Archived
    Articles and reports: 11-522-X20050019445
    Description:

    This paper describes an innovative use of data mining on response data and metadata to identify, characterize and prevent falsification by field interviewers on the National Survey on Drug Use and Health (NSDUH). Interviewer falsification is the deliberate creation of survey responses by the interviewer without input from the respondent.

    Release date: 2007-03-02
  • 5. Estimating mediated effects in health and epidemiogical research Archived
    Articles and reports: 11-522-X20050019448
    Description:

    The purpose of this paper is to provide an overview of the major theoretical and methodological concepts involved in mediated effects analysis, as well as present some illustrative applications using Structural Equation Modeling (SEM) and data from the 2003 Canadian Health Services Access Survey (HSAS).

    Release date: 2007-03-02
  • 6. Single frame estimation in multiple frame survey Archived
    Articles and reports: 11-522-X20050019449
    Description:

    Literature about Multiple Frame estimation theory mainly concentrates over the Dual Frame case and it is only rarely concerned with the important practical issue of the variance estimation. By using a multiplicity approach a fixed weights Single Frame estimator for Multiple Frame Survey is proposed.

    Release date: 2007-03-02
  • 7. Quarterly Services Survey analysis of response Archived
    Articles and reports: 11-522-X20050019464
    Description:

    The Quarterly Services Survey has maintained comprehensive response data since the survey's inception. In analyzing the data, we concentrate on three fundamental features of response: rate, timeliness, and quality. We examine these three components across multiple dimensions. We observe the effect associated with NAICS classification, company size and response mode.

    Release date: 2007-03-02
  • 8. Solutions for data collection challenges: using process data for responsive design Archived
    Articles and reports: 11-522-X20050019472
    Description:

    Survey process data or paradata can be used to inform design decisions during the course of data collections in order to reduce survey costs while also reducing nonreponse error (Heeringa and Groves, 2004). Such paradata includes call-level histories, sample, household and contact observations, and external information about the sample areas (e.g., urbanicity, population characteristics). These data are used in conjunction with key survey questionnaire variables to inform "responsive design" decisions. Other paradata include interviewer characteristics and performance, instrument characteristics (audit trails), and other quality indicators that are used in statistical process control monitoring. This presentation discussed the types of paradata that can be collected and described the systems that process, integrate, and report on these data. Examples were provided of the uses of these data in responsive design decisions as well as in ongoing quality monitoring.

    Release date: 2007-03-02
  • 9. Anonymisation and release of the EU-SILC database: confidentiality issues in an international environment Archived
    Articles and reports: 11-522-X20050019484
    Description:

    The presentation reviewed the methodological problems related to the anonymisation of a European database, problems enhanced by the multiplicity of perceptions and realities of disclosure risk encountered in the different countries. Best practices are benchmarked against the practical issues. The presentation detailed, first, the Eurostat policy and practical arrangements taken with respect to the release of EU-SILC micro data base and, second, the methodological options taken to anonymise the database. The close inter-relation between these two aspects is highlighted in the presentation. The solution realises a trade off between the reduction of disclosure risk in each national component and the utility of released micro data by preserving information content and harmonisation of procedures used. The future perspectives with respect to European micro data release were also discussed.

    Release date: 2007-03-02
  • 10. Longitudinal Surveys, Retrospective Information and Population Health Measures Archived
    Articles and reports: 11-522-X20050019492
    Description:

    Although it is preferable to calculate population health indicators such as life expectancies in different health states based on health data from longitudinal surveys, they are almost always calculated using health data from cross-section surveys. One way of overcoming this challenge is to use health information collected retrospectively. This study is based on two major propositions. The first proposition is that population health indicators can be calculated using data with retrospective information on health. The second proposition is that estimates calculated based on such data would closely approximate estimates calculated based on data with current health information.

    Release date: 2007-03-02
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