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  • 21. Work arrangements of Canadians - An overview Archived
    Stats in brief: 75-001-X19930032
    Geography: Canada
    Description:

    This overview highlights the results from the survey of Work Arrangements.

    Release date: 1993-09-01
  • 22. Employed parents and the division of housework Archived
    Articles and reports: 75-001-X199300368
    Geography: Canada
    Description:

    Women have traditionally been responsible for housework; now the majority of them also face the demands of job outside the home. This study looks at how working parents manage domestic chores.

    Release date: 1993-09-01
  • 23. A note on wage trends among unionized workers Archived
    Stats in brief: 75-001-X199300381
    Geography: Canada
    Description:

    A glance at the wage trends of unionized workers over the last 13 years.

    Release date: 1993-09-01
  • 24. Poisson-Poisson and binomial-Poisson sampling in forestry Archived
    Articles and reports: 12-001-X199300114471
    Description:

    Binomial-Poisson and Poisson-Poisson sampling are introduced for use in forest sampling. Several estimators of the population total are discussed for these designs. Simulation comparisons of the properties of the estimators were made for three small forestry populations. A modification of the standard estimator used for Poisson sampling and a new estimator, called a modified Srivastava estimator, appear to be most efficient. The latter is unfortunately badly biased for all 3 populations.

    Release date: 1993-06-15
  • 25. Stratified telephone survey designs Archived
    Articles and reports: 12-001-X199300114472
    Description:

    Two stage random digit dialing procedures as developed by Mitofsky and elaborated by Waksberg are widely used in telephone sampling of the U.S. household population. Current alternative approaches have, relative to this procedure, coverage and cost deficiencies. These deficiencies are addressed through telephone sample designs which use listed number information to improve the cost-efficiency of random digit dialing. The telephone number frame is divided into a stratum in which listed number information is available at the 100-bank level and one for which no such information is available. The efficiencies of various sampling schemes for this stratified design are compared to simple random digit dialing and the Mitofsky-Waksberg technique. Gains in efficiency are demonstrated for nearly all such designs. Simplifying assumptions about the values of population parameters in each stratum are shown to have little overall impact on the estimated efficiency.

    Release date: 1993-06-15
  • 26. Double sampling for stratification Archived
    Articles and reports: 12-001-X199300114473
    Description:

    Double sampling is a common alternative to simple random sampling when there are expected to be gains from using stratified sampling, but the units cannot be assigned to strata prior to sampling. It is assumed throughout that the survey objective is estimation of the finite population mean. We compare simple random sampling and three allocation methods for double sampling: (a) proportional, (b) Rao’s (Rao 1973a, b) and (c) optimal. There is also an investigation of the effect on sample size selection of misspecification of an important design parameter.

    Release date: 1993-06-15
  • 27. A framework for measuring and reducing nonresponse in surveys Archived
    Articles and reports: 12-001-X199300114474
    Description:

    The need for standards introduced for the gathering and reporting of information on nonresponse across surveys within a statistical agency is discussed. Standards being adopted at Statistics Canada are then described. Measures to reduce nonresponse undertaken at different stages in the design of surveys at Statistics Canada that have a bearing on nonresponse are described. These points are illustrated by examining nonresponse experiences for two major surveys at Statistics Canada.

    Release date: 1993-06-15
  • 28. Statistical matching: Use of auxiliary information as an alternative to the conditional independence assumption Archived
    Articles and reports: 12-001-X199300114475
    Description:

    In the creation of micro-simulation databases which are frequently used by policy analysts and planners, several datafiles are combined by statistical matching techniques for enriching the host datafile. This process requires the conditional independence assumption (CIA) which could lead to serious bias in the resulting joint relationships among variables. Appropriate auxiliary information could be used to avoid the CIA. In this report, methods of statistical matching corresponding to three methods of imputation, namely, regression, hot deck, and log linear, with and without auxiliary information are considered. The log linear methods consist of adding categorical constraints to either the regression or hot deck methods. Based on an extensive simulation study with synthetic data, sensitivity analyses for departures from the CIA are performed and gains from using auxiliary information are discussed. Different scenarios for the underlying distribution and relationships, such as symmetric versus skewed data and proxy versus nonproxy auxiliary data, are created using synthetic data. Some recommendations on the use of statistical matching methods are also made. Specifically, it was confirmed that the CIA could be a serious limitation which could be overcome by the use of appropriate auxiliary information. Hot deck methods were found to be generally preferable to regression methods. Also, when auxiliary information is available, log linear categorical constraints can improve performance of hot deck methods. This study was motivated by concerns about the use of the CIA in the construction of the Social Policy Simulation Database at Statistics Canada.

    Release date: 1993-06-15
  • 29. Regression analysis of data files that are computer matched Archived
    Articles and reports: 12-001-X199300114476
    Description:

    This paper focuses on how to deal with record linkage errors when engaged in regression analysis. Recent work by Rubin and Belin (1991) and by Winkler and Thibaudeau (1991) provides the theory, computational algorithms, and software necessary for estimating matching probabilities. These advances allow us to update the work of Neter, Maynes, and Ramanathan (1965). Adjustment procedures are outlined and some successful simulations are described. Our results are preliminary and intended largely to stimulate further work.

    Release date: 1993-06-15
  • 30. The discrimination power of dependency structures in record linkage Archived
    Articles and reports: 12-001-X199300114477
    Description:

    A record-linkage process brings together records from two files into pairs of two records, one from each file, for the purpose of comparison. Each record represents an individual. The status of the pair is a “matched pair” status if the two records in the pair represent the same individual. The status is an “unmatched pair” status if the two records do not represent the same individual. The record-linkage process is governed by an underlying probabilistic process. A record-linkage rule infers the status of each pair of records based on the value of the comparison. The pair is declared a “link” if the inferred status is that of a matched pair, and it is declared a “non-link” if the inferred status is that of an unmatched pair. The discrimination power of a record-linkage rule is the capacity of the rule to designate a maximum number of matched pairs as links, while keeping the rate of unmatched pairs designated as links to a minimum. In general, to construct a discriminatory record-linkage rule, some assumptions must be made on the structure of the underlying probabilistic process. In most of the existing literature, it is assumed that the underlying probabilistic process is an instance of the conditional independence latent class model. However, in many situations, this assumption is false. In fact, many underlying probabilistic processes do not exhibit key properties associated with conditional independence latent class models. The paper introduces more general models. In particular, latent class models with dependencies are studied and it is shown how they can improve the discrimination power of particular record-linkage rules.

    Release date: 1993-06-15
Reference (3)

Reference (3) ((3 results))

  • 1. The Distribution of GDP at Factor Cost by Sector Archived
    Surveys and statistical programs – Documentation: 13-604-M1993026
    Description:

    The Income and Expenditure Accounts (IEA) are structured in terms of four economic or institutional sectors, and transactors are grouped into homogeneous categories that play distinct roles in the economy. The Personal sector is concerned with individuals in their capacity as final consumers and as suppliers of labour. The Government sector centres on transactions by public authorities as they relate to taxation and public expenditure. The Profit-motivated Business sector consists of transactors producing goods and services for financial gain. The Non-resident sector shows all transactions taking place between resident economic agents and the rest of the world. Classifying transactors by similar motivation and behaviour into these broad groups is a useful tool that helps analyse the major players in the economy, their functions and interrelationships.

    The purpose of this paper is to develop quarterly estimates of gross domestic product (GDP) at factor cost in both current and constant prices for each of the institutional sectors within the IEA framework. The estimates of that will be shown, of the GDP, by sector, do not constitute a full production account, but nonetheless provide a measure of aggregate productive activity by sector of origin. They complement and extend the sector tables already available in the Income and Expenditure Accounts.

    Release date: 1993-11-30
  • 2. Standard Occupational Classification Archived
    Classification: 12-565-X
    Description:

    The Standard Occupational Classification provides a systematic classification structure to identify and categorize the entire range of occupational activity in Canada. This up-to-date classification is based upon, and easily related to, the National Occupational Classification. It consists of 10 broad occupational categories which are subdivided into major groups, minor groups and unit groups. Definitions and occupational titles are provided for each unit group. An alphabetical index of the occupational titles classified to the unit group level is also included.

    Release date: 1993-08-23
  • 3. The Timeliness of Quarterly Income and Expenditure Accounts: An International Comparison Archived
    Surveys and statistical programs – Documentation: 13-604-M1993023
    Description:

    This paper reports the results of a survey of national Income and Expenditure Accounts (IEA) release date practices as reported by national statistical bureaus. This international survey was conducted by the author between January and March 1993 by means of a questionnaire mailed to statisticians of several countries.

    Respondents to the survey were asked on what date their preliminary IEA estimates for each of the four quarters of the 1991 calendar year were officially released. They were also asked to indicate the dates on which each of the subsequent four revised sets of estimates were released. To avoid the possibility of unwarranted generalizations from a single year's experience, respondents were asked whether 1991 was a typical year or if there were special circumstances that affected the release dates in this particular period. Finally, general information was sought on each country's official revision policy.

    Release date: 1993-07-01
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