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- Selected: Statistical methods (69)
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- Surveys and statistical programs – Documentation: 85-602-XDescription:
The purpose of this report is to provide an overview of existing methods and techniques making use of personal identifiers to support record linkage. Record linkage can be loosely defined as a methodology for manipulating and / or transforming personal identifiers from individual data records from one or more operational databases and subsequently attempting to match these personal identifiers to create a composite record about an individual. Record linkage is not intended to uniquely identify individuals for operational purposes; however, it does provide probabilistic matches of varying degrees of reliability for use in statistical reporting. Techniques employed in record linkage may also be of use for investigative purposes to help narrow the field of search against existing databases when some form of personal identification information exists.
Release date: 2000-12-05 - Articles and reports: 82-003-X20000015300Geography: CanadaDescription:
This article examines the extent of proxy reporting in the Natiional Population Health (NPHS). It also explores associations between proxy reporting status and the prevalence of selected health problems, and investigates the relationship between changes in proxy reporting status and two-year incidence of health problems.
Release date: 2000-10-20 - Articles and reports: 88-003-X20000035768Geography: CanadaDescription:
Why do innovation surveys produce radically different estimates of the number of R&D performers than R&D surveys? The factors contributing to divergence are presented with detail on selected contributors.
Release date: 2000-10-06 - Surveys and statistical programs – Documentation: 75F0002M2000005Description:
This paper describes the collection method and content of the 1999 Survey of Labour and Income Dynamics (SLID) income interview.
Release date: 2000-10-05 - Articles and reports: 75F0002M2000006Description:
This paper discusses methods and tools considered and used to produce cross-sectional estimates based on the combination of two longitudinal panels for the Survey of Labour and Income Dynamics (SLID).
Release date: 2000-10-05 - Articles and reports: 62F0026M2000004Description:
The Survey of Household Spending (SHS), which replaced the periodic Family Expenditure Survey (FAMEX) in 1997, is an annual survey that collects detailed expenditure information from households for a given calendar year. Due to the heavy response burden placed on respondents of this survey, it was decided for the 1997 survey to perform a test of incentive effect on response rates. Two incentives were used: a one-year subscription to the Statistics Canada publication Canadian Social Trends and a telephone calling card. The response rate data was analysed using Fisher's exact test and some non-parametric methods. After controlling for a discovered interviewer assignment effect, it was found that there was some evidence of a telephone card effect in the western and eastern most regions of Canada, while there was no evidence of any effect for the magazine. These findings were somewhat corroborated by a separate study testing effects of incentives on respondent relations. All these results will be discussed in this paper.
Release date: 2000-08-31 - Articles and reports: 75F0002M2000004Description:
This paper describes the methodology for the longitudinal and cross-sectional weights produced by the Survey of Labour and Income Dynamics (SLID). It also presents problems the survey has encountered and proposed solutions.
Release date: 2000-08-31 - 8. In this issue (Vol. 26, no. 1) ArchivedArticles and reports: 12-001-X200000110774Description:
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: 2000-08-30 - Articles and reports: 12-001-X20000015173Description:
In recognition of Survey Methodology's silver anniversary, this paper reviews the major advances in survey research that have taken place in the past 25 years. It provides a gneneral overview of developments in: the survey research profession; survey methodology - questionnaire design, data collection methods, handling missing data, survey sampling, and total survey error; and survey applications - panel surveys, international surveys, and secondary analysis. It also attempts to forecast some future developments in these areas.
Release date: 2000-08-30 - 10. Survey sampling theory over the twentieth century and its relation to computing technology ArchivedArticles and reports: 12-001-X20000015174Description:
Computation is an integral part of statistical analysis in general and survey sampling in particular. What kinds of analyses can be carried out will depend upon what kind of computational power is available. The general development of sampling theory is traced in connection with technological developments in computation.
Release date: 2000-08-30
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Analysis (38)
Analysis (38) (10 to 20 of 38 results)
- 11. Census coverage error: A demographic evaluation ArchivedArticles and reports: 12-001-X20000015177Description:
The 1996 Canadian Census is adjusted for coverage error as estimated primarily through the Reverse Record Check (RRC). In this paper, we will show how there is a wealth of additional information from the 1996 Reverse Record Check of direct value to population estimation. Beyond its ability to estimate coverage error, it is possible to extend the Reverse Record Check classification results to obtain an alternative estimate of demographic growth - potentially decomposed by component. This added feature of the Reverse Record Check provides promise in the evaluation of estimated census coverage error as well as insight as to possible problems in the estimation of selected components in the population estimates program.
Release date: 2000-08-30 - 12. Multilevel modelling of complex survey longitudinal data with time varying random effects ArchivedArticles and reports: 12-001-X20000015178Description:
Longitudinal observations consist of repeated measurements on the same units over a number of occasions, with fixed or varying time spells between the occasions. Each vector observation can be viewed therefore as a time series, usually of short length. Analyzing the measurements for all the units permits the fitting of low-order time series models, despite the short lengths of the individual series.
Release date: 2000-08-30 - Articles and reports: 12-001-X20000015179Description:
This paper suggests estimating the conditional mean squared error of small area estimators to evaluate their accuracy. This mean squared error is conditional in the sense that it measures the variability with respect to the sampling design for a particular realization of the smoothing model underlying the small area estimators. An unbiased estimators for the conditional mean squared error is easily constructed using Stein's Lemma for the expectation of normal random variables.
Release date: 2000-08-30 - 14. Cold deck and ratio imputation ArchivedArticles and reports: 12-001-X20000015180Description:
Imputation is a common procedure to compensate for nonresponse in survey problems. Using auxiliary data, imputation may produce estimators that are more efficient than the one constructed by ignoring nonrespondents and re-weighting. We study and compare the mean squared errors of survey estimators based on data imputed using three difference imputation techniques: the commonly used ratio imputation method and two cold deck imputation methods that are frequently adopted in economic area surveys conducted by the U.S. Census Bureau and the U.S. Bureau of Labor Statistics.
Release date: 2000-08-30 - Articles and reports: 12-001-X20000015181Description:
Samples from hidden and hard-to-access human populations are often obtained by procedures in which social links are followed from one respondent to another. Inference from the sample to the larger population of interest can be affected by the link-tracing design and the type of data it produces. The population with its social network structure can be modeled as a stochastic graph with a joint distribution of node values representing characteristics of individuals and arc indicators representing social relationships between individuals.
Release date: 2000-08-30 - 16. Calibration and restricted weights ArchivedArticles and reports: 12-001-X20000015182Description:
To better understand the impact of imposing a restricted region on calibration weights, the author reviews the latter's aymptotic behaviour. Necessary and sufficient conditions are provided for the existence of a solution to the calibration equation with weights within given intervals.
Release date: 2000-08-30 - Articles and reports: 12-001-X20000015183Description:
For surveys which involve more than one stage of data collection, one method recommended for adjusting weights for nonresponse (after the first stage of data collection) entails utilizing auxiliary variables (from previous stages of data collection) which are identified as predictors of nonresponse.
Release date: 2000-08-30 - Articles and reports: 12-001-X20000015184Description:
Survey statisticians frequently use superpopulation linear regression models. The Gauss-Markov theorem, assuming fixed regressors or conditioning on observed values of regressors, asserts that the standard estimators of regression coefficients are best linear unbiased.
Release date: 2000-08-30 - 19. Schooling, Literacy and Individual Earnings ArchivedArticles and reports: 89-552-M2000007Geography: CanadaDescription:
This paper addresses the problem of statistical inference with ordinal variates and examines the robustness to alternative literacy measurement and scaling choices of rankings of average literacy and of estimates of the impact of literacy on individual earnings.
Release date: 2000-06-02 - Articles and reports: 11F0019M2000144Geography: CanadaDescription:
In this paper, we revisit trends in low-income among Canadian children by taking advantage of recent developments in the measurement of low-income intensity. We focus in particular on the Sen-Shorrocks-Thon (SST) index and its elaboration by Osberg and Xu. Low-income intensity declined in the 1980s but rose in the 1990s. Declining earnings put upward pressure on low-income levels over much of the period. Higher transfers more than offset this pressure in the 1980s and continued to absorb a substantial share of the increase through 1993. In contrast, the rise in low-income intensity after 1993 reflected reductions in UI and social assistance benefits that were not offset by increased employment earnings, at least to 1996 the latest year used in this paper.
A major aim of the paper is methodological. We contrast results using the SST index with results produced by the more familiar low-income rate, the usual measure for indexing low-income trends. The low-income rate is embedded in the SST index, but unlike the index, the rate incorporates only partial information on the distribution of low-income. Consequently, the low-income rate is generally unable to detect the changes we describe and this is true irrespective of the choice of low-income cut-off. Compared to the low-income intensity measure, the rate is also relatively insensitive to changes in transfer payments and employment earnings.
Release date: 2000-03-30
Reference (31)
Reference (31) (0 to 10 of 31 results)
- Surveys and statistical programs – Documentation: 85-602-XDescription:
The purpose of this report is to provide an overview of existing methods and techniques making use of personal identifiers to support record linkage. Record linkage can be loosely defined as a methodology for manipulating and / or transforming personal identifiers from individual data records from one or more operational databases and subsequently attempting to match these personal identifiers to create a composite record about an individual. Record linkage is not intended to uniquely identify individuals for operational purposes; however, it does provide probabilistic matches of varying degrees of reliability for use in statistical reporting. Techniques employed in record linkage may also be of use for investigative purposes to help narrow the field of search against existing databases when some form of personal identification information exists.
Release date: 2000-12-05 - Surveys and statistical programs – Documentation: 75F0002M2000005Description:
This paper describes the collection method and content of the 1999 Survey of Labour and Income Dynamics (SLID) income interview.
Release date: 2000-10-05 - Surveys and statistical programs – Documentation: 62F0026M2000002Description:
Starting with the 1997 survey year, the Family Expenditure Survey was replaced by the Survey of Household Spending (SHS). This note provides information to users and prospective users of data from the SHS about the differences between the SHS and the former Family Expenditure Survey. Topics covered include sample size, number of questions, coverage, and concepts.
Release date: 2000-07-19 - Surveys and statistical programs – Documentation: 62F0026M2000003Description:
Starting with the 1997 survey year, the Household Facilities and Equipment Survey was replaced by the Survey of Household Spending (SHS). This note provides information to users and prospective users of data from the SHS about the differences between the SHS and the former Household Facilities and Equipment Survey. Topics covered include sample size, weighting, collection method, reference period, and concepts.
Release date: 2000-07-19 - 5. Combining census, survey, demographic and administrative data to produce a one number census ArchivedSurveys and statistical programs – Documentation: 11-522-X19990015638Description:
The focus of Symposium'99 is on techniques and methods for combining data from different sources and on analysis of the resulting data sets. In this talk we illustrate the usefulness of taking such an "integrating" approach when tackling a complex statistical problem. The problem itself is easily described - it is how to approximate, as closely as possible, a "perfect census", and in particular, how to obtain census counts that are "free" of underenumeration. Typically, underenumeration is estimated by carrying out a post enumeration survey (PES) following the census. In the UK in 1991 the PEF failed to identify the full size of the underenumeration and so demographic methods were used to estimate the extent of the undercount. The problems with the "traditional" PES approach in 1991 resulted in a joint research project between the Office for National Statistics and the Department of Social Statistics at the University of Southampton aimed at developing a methodology which will allow a "One Number Census" in the UK in 2001. That is, underenumeration will be accounted for not just at high levels of aggregation, but right down to the lowest levels at which census tabulations are produced. In this way all census outputs will be internally consistent, adding to the national population estimates. The basis of this methodology is the integration of information from a number of data sources in order to achieve this "One Number".
Release date: 2000-03-02 - 6. Statistical processing in the next millennium ArchivedSurveys and statistical programs – Documentation: 11-522-X19990015640Description:
This paper states how SN is preparing for a new era in the making of statistics, as it is triggered by technological and methodological developments. An essential feature of the turn to the new era is the farewell to the stovepipe way of data processing. The paper discusses how new technological and methodological tools will affect processes and their organization. Special emphasis is put on one of the major chances and challenges the new tools offer: establishing coherence in the content of statistics and in the presentation to users.
Release date: 2000-03-02 - Surveys and statistical programs – Documentation: 11-522-X19990015642Description:
The Longitudinal Immigration Database (IMDB) links immigration and taxation administrative records into a comprehensive source of data on the labour market behaviour of the landed immigrant population in Canada. It covers the period 1980 to 1995 and will be updated annually starting with the 1996 tax year in 1999. Statistics Canada manages the database on behalf of a federal-provincial consortium led by Citizenship and Immigration Canada. The IMDB was created specifically to respond to the need for detailed and reliable data on the performance and impact of immigration policies and programs. It is the only source of data at Statistics Canada that provides a direct link between immigration policy levers and the economic performance of immigrants. The paper will examine the issues related to the development of a longitudinal database combining administrative records to support policy-relevant research and analysis. Discussion will focus specifically on the methodological, conceptual, analytical and privacy issues involved in the creation and ongoing development of this database. The paper will also touch briefly on research findings, which illustrate the policy outcome links the IMDB allows policy-makers to investigate.
Release date: 2000-03-02 - Surveys and statistical programs – Documentation: 11-522-X19990015644Description:
One method of enriching survey data is to supplement information collected directly from the respondent with that obtained from administrative systems. The aims of such a practice include being able to collect data which might not otherwise be possible, provision of better quality information for data items which respondents may not be able to report accurately (or not at all) reduction of respondent load, and maximising the utility of information held in administrative systems. Given the direct link with administrative information, the data set resulting from such techniques is potentially a powerful basis for policy-relevant analysis and evaluation. However, the processes involved in effectively combining data from different sources raise a number of challenges which need to be addressed by the parties involved. These include issues associated with privacy, data linking, data quality, estimation, and dissemination.
Release date: 2000-03-02 - Surveys and statistical programs – Documentation: 11-522-X19990015648Description:
We estimate the parameters of a stochastic model for labour force careers involving distributions of correlated durations employed, unemployed (with and without job search) and not in the labour force. If the model is to account for sub-annual labour force patterns as well as advancement towards retirement, then no single data source is adequate to inform it. However, it is possible to build up an approximation from a number of different sources.
Release date: 2000-03-02 - Surveys and statistical programs – Documentation: 11-522-X19990015650Description:
The U.S. Manufacturing Plant Ownership Change Database (OCD) was constructed using plant-level data taken from the Census Bureau's Longitudinal Research Database (LRD). It contains data on all manufacturing plants that have experienced ownership change at least once during the period 1963-92. This paper reports the status of the OCD and discuss its research possibilities. For an empirical demonstration, data taken from the database are used to study the effects of ownership changes on plant closure.
Release date: 2000-03-02
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