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  • Articles and reports: 12-001-X198800114602
    Description:

    For a given level of precision, Hidiroglou (1986) provided an algorithm for dividing the population into a take-all stratum and a take-some stratum so as to minimize the overall sample size assuming simple random sampling without replacement in the take-some stratum. Sethi (1963) provided an algorithm for optimum stratification of the population into a number of take-some strata. For the stratification of a highly skewed population, this article presents an iterative algorithm which has as objective the determination of stratification boundaries which split the population into a take-all stratum and a number of take-some strata. These boundaries are computed so as to minimize the resulting sample size given a level of relative precision, simple random sampling without replacement from the take-some strata and use of a power allocation among the take-some strata. The resulting algorithm is a combination of the procedures of Hidiroglou (1986) and Sethi (1963).

    Release date: 1988-06-15

  • Articles and reports: 12-001-X198800114603
    Description:

    Most surveys have many purposes and a hierarchy of six levels is proposed here. Yet most theory and textbooks are based on unipurpose theory, in order to avoid the complexity and conflicts of multipurpose designs. Ten areas of conflict between purposes are shown, then problems and solutions are advanced for each. Compromises and joint solutions fortunately are feasible, because most optima are very flat; also because most “requirements” for precision are actually very flexible. To state and to face the many purposes are preferable to the common practice of hiding behind some artificially picked single purpose; and they have also become more feasible with modern computers.

    Release date: 1988-06-15

  • Articles and reports: 12-001-X198800114604
    Description:

    In spite of·the comparative ease with which studies of error in foreign trade statistics could be conducted, there are few attempts to quantify their size, origin, distribution, and change over time. Policy makers and trade negotiators have little notion of how uncertain these statistics are in spite of their great detail. This paper takes advantage of a World Trade Database developed by Statistics Canada to examine and quantify discrepancies in existing foreign trade statistics.

    Release date: 1988-06-15

  • Articles and reports: 12-001-X198700214514
    Description:

    This paper deals with the nonresponse problem in the estimation of the mean of a finite population, following an approach closely related to that of Cassel, Särndal and Wretman (1983). Two very simple methods are proposed for estimating the individual response probabilities; these are then used, in connection with a superpopulation model, to construct estimators for the population mean. A first evaluation of the properties of the proposed methods is given by a Monte Carlo experiment. The results shed some light on their effectiveness.

    Release date: 1987-12-15

  • Articles and reports: 12-001-X198700214515
    Description:

    Methods are given to estimate functions of the cell probabilities associated with a table of multinomial data that has been randomly rounded to multiples of a given number, say l. We show that: (i) random rounding causes only second order effects on bias and variance; (ii) the loss of efficiency in using the natural estimates of cell probability is negligible provided that the cell entry is large compared with (l^2 - 1) / (6R) where R is the number of cells in the table; and (iii) estimates of apparently exponentially small bias are available for moments of these natural estimates and for polynomials in the cell probabilities.

    Release date: 1987-12-15

  • Articles and reports: 12-001-X198700214516
    Description:

    The biases and stabilities of alternative variance estimators for the two stage random group design (Rao et al. 1962) are evaluated in a Monte Carlo study in the context of Canadian Labour Force Survey. The variance formula for raking ratio estimation procedure is derived using Taylor linearization method. The properties of the variance formula are investigated by a Monte Carlo simulation.

    Release date: 1987-12-15

  • Articles and reports: 12-001-X198700214517
    Description:

    Because it is easy to use, the “AGEVEN” record makes it possible to date events more precisely and to classify retrospectively demographic events (births and deaths), changes in marital status and changes in place of residence. The data collected are used to accurately recreate the socio-economic conditions that were present when the demographic events being studied took place.

    Release date: 1987-12-15

  • Articles and reports: 12-001-X198700214605
    Description:

    The CPS uses raking ratio estimation in post-stratification estimation to adjust sample estimates of population to census-based estimates of the population. An alternative procedure, using generalized least squares, is compared to the current procedure.

    Release date: 1987-12-15

  • Articles and reports: 12-001-X198700214606
    Description:

    A class of “constrained minimum distance” methods is considered for constraining household weights to be consistent with auxiliary information on the number of persons in various age x race x sex cells. The constrained weights are as close as possible to the initial weights based on the inverse probability of selection. This class of methods includes raking and generalized least square methods, as well as multinomial maximum likelihood, (where the cells of the distribution are household types.) The properties of the methods in the presence of systematic undercoverage of the household types are studied through some simple models for coverage. Comparisons with the principal person method are made and the paper concludes with the observation that it is necessary to know more about the nature of survey undercoverage before deciding on which of the constrained minimum distance or principal person methods is to be preferred in applications.

    Release date: 1987-12-15

  • Articles and reports: 12-001-X198700214607
    Description:

    Household surveys generally use separate procedures for estimating characteristics of persons and those of families. An integrated procedure is proposed and a least-squares estimator introduced to achieve this end. The estimator is shown to be unbiased under certain general conditions. Using data from the Canadian Labour Force Survey, variances for the estimator are calculated and shown to compare favourably to those from current procedures.

    Release date: 1987-12-15
Stats in brief (1,473)

Stats in brief (1,473) (0 to 10 of 1,473 results)

Articles and reports (5,634)

Articles and reports (5,634) (5,590 to 5,600 of 5,634 results)

  • Articles and reports: 12-001-X198300214344
    Description:

    In order to improve the timeliness, accuracy and consistency of population estimates for different geographic areas, Statistics Canada has developed new methods of estimation for sub-provincial areas (census divisions and census metropolitan areas). Beginning with 1982, two sets of population estimates (regression and component based) will be published yearly, appearing 3-4 months and 12-15 months, respectively, from the reference date.

    The regression technique uses family allowance recipients as the main symptomatic indicator and where available, additional indicators - reference population from provincial health insurance files and hydro accounts - to derive population change for the current year. The first set is obtained by adding this change to the second set for the previous year produced by the component method, with births and deaths from vital registers, and estimated migration from Revenue Canada taxation files. The two sets were found to be statistically similar with respect to accuracy, though the first set is more timely, and the second provides more details on the components of population change.

    Release date: 1983-12-15

  • Articles and reports: 12-001-X198300114332
    Description:

    This paper firstly provides an overview of the For-hire Trucking Survey background and of the steps that were involved in the revision that led to its re-design. It secondly describes the general direction of the methodology of the re-designed survey which is being implemented for reference year 1981.

    Release date: 1983-06-15

  • Articles and reports: 12-001-X198300114333
    Description:

    The Air Scheduled International Passenger Origin and Destination (ASIPOD) estimation system uses the data from two air traffic surveys to produce origin-destination estimates of international passengers. The “assignment technique” is the solution to the problem caused by the non-coverage of non-interlining traffic. The assumptions of the technique are sufficiently questionable to warrant an evaluation of the bias of the estimates. However, major improvements will be made in the new system which will decrease the bias in the estimates. Also, estimates of reliability will be produced. And as a result, knowledge of the strength of the inferences made with respect to air traffic markets from these estimates will be improved in international bilateral air negotiations.

    Release date: 1983-06-15

  • Articles and reports: 12-001-X198300114334
    Description:

    Statistics Canada, Canada’s central statistical agency, has been compiling national mortality statistics, including those on cancer mortality since 1921. Also, cancer incidence data are available from 1969.

    The data quality of these files may be assessed in a variety of ways. Ratios of cancer mortality to incidence give some information on coverage errors. Micro-data matches between incidence and mortality files give an indication of misclassifications. As well, multiple registrations for cancer incidence may be duplicates. Completeness and availability of data items are also important for special studies.

    In this paper, the feasibility of using these measures of data quality and the implications of these measures are discussed.

    Release date: 1983-06-15

  • Articles and reports: 12-001-X198300114335
    Description:

    The Canadian Labour Force Survey is a household survey conducted each month for the purpose of producing point-in-time estimates of the number of persons employed, unemployed and not in the labor force. The survey has a rotating panel design in which all individuals in a sampled household location are interviewed each month, for six consecutive months. In the past, little use has been made of this longitudinal structure, although considerable interest has been expressed in the month-to-month gross flows (transitions) amongst the labour force status categories. In this paper we discuss methods being considered by Statistics Canada for the production of gross flow estimates, but from a model-based perspective.

    Release date: 1983-06-15

  • Articles and reports: 12-001-X198300114336
    Description:

    The peach, sour cherry and the grape objective yield surveys have been carried out annually in the Niagara Peninsula since 1964 in order to forecast the magnitude of change in marketable fruit production from the previous year. Timeliness of the estimates is essential in order to enable the Ontario Tender Fruit Growers Marketing Board (OTFGMB) and the Ontario Grape Growers Marketing Board (OGGMB) to establish the marketing strategies well ahead of the harvest. This paper summarizes the major changes due to the second redesign initiated in 1982. In particular, the sample design, data collection operation and modifications of the estimation procedures are elaborated upon.

    Release date: 1983-06-15

  • Articles and reports: 12-001-X198300114337
    Description:

    This paper describes the procedures used and results of a joint Canada Centre for Remote Sensing (CCRS) and Statistics Canada project to provide a timely potato acreage estimate for New Brunswick, a major potato producing province in Canada. The project has demonstrated that satellite imagery combined with more traditional potato area estimation procedures can lower respondent burden, produce timely crop distribution maps and produce reliable estimates for subregions.

    Release date: 1983-06-15

  • Articles and reports: 12-001-X198300114340
    Description:

    A theory of sampling on two occasions with unequal probabilities and without replacement is presented. Fellegi’s (1963) method, which yields the same selection probabilities for a given unit on each occasion, is used to select the units for the rotation sample. The variances of composite estimators of the population total on the second occasion are developed. Numerical results are presented for small sample sizes and efficiency comparisons are made with a competing strategy.

    Release date: 1983-06-15

  • Articles and reports: 12-001-X198200114327
    Description:

    The modern statistical survey is an effective method of meeting the ever-increasing demand for timely and accurate data. One important component of the statistical survey is the questionnaire. This article discusses the role of the questionnaire in meeting the needs of users, the relationship of the questionnaire to the other components of survey design, and the effect of the questionnaire on the quality of survey data. The importance of viewing the questionnaire as an integral part of the total survey design is stressed.

    Release date: 1982-06-15

  • Articles and reports: 12-001-X198200114328
    Description:

    Estimates from sample surveys are sometimes required for domains whose boundaries do not coincide with those of design strata. Taking the Canadian Labour Force Survey as an example of a survey utilizing a clustered sample design, some alternative small area estimation techniques available in the literature are evaluated empirically including synthetic, domain (simple and post-stratified) and composite estimators which are linear combinations of synthetic and post-stratified domain estimators. A sample dependent estimator which attaches weight to the post-stratified domain estimate depending on the amount of sample in the domain is proposed and its performance is also evaluated.

    Release date: 1982-06-15
Journals and periodicals (312)

Journals and periodicals (312) (0 to 10 of 312 results)

  • Journals and periodicals: 11-626-X
    Geography: Canada
    Description:

    Articles in the Economic Insights series highlight issues related to the growth and development of Canada's economy. In some cases, these articles highlight new insights or synthesize the results of previous research carried out by Statistics Canada; in others, they provide contextual information that accompanies the release of new data or updates from previous papers. The Economic Insights series features concise examinations of economic events, research results, trends, and important structural changes in the economy.

    Release date: 2019-05-23

  • Journals and periodicals: 21-004-X
    Geography: Canada
    Description:

    Each issue contains a short article highlighting statistical insights on themes relating to agriculture, food and rural issues.

    Release date: 2019-05-23

  • Journals and periodicals: 11-627-M
    Description:

    Every year, Statistics Canada collects data from hundreds of surveys. As the amount of data gathered increases, Statistics Canada has introduced infographics to help people, business owners, academics, and management at all levels, understand key information derived from the data. Infographics can be used to quickly communicate a message, to simplify the presentation of large amounts of data, to see data patterns and relationships, and to monitor changes in variables over time.

    These infographics will provide a quick overview of Statistics Canada survey data.

    Release date: 2019-05-22

  • Journals and periodicals: 85-603-X
    Description:

    This article presents results from the first Survey of Sexual Misconduct in the Canadian Armed Forces. Namely, the prevalence of general sexualized behaviour in the workplace; discrimination on the basis of sex, sexual orientation, or gender identity; personal experiences of discrimination or sexualized behaviour; the prevalence of sexual assault; and knowledge of policies on sexual misconduct and perceptions of responses to sexual misconduct are examined. Where possible, results are analyzed by sex, environmental command, type of service, age, rank, and number of years of service.

    Release date: 2019-05-22

  • Journals and periodicals: 89-657-X
    Description:

    This thematic series groups different statistical products related to ethnicity, languages, and immigration. It features analytical documents of varying scopes, such as population profiles, reference materials, data products (including tables and factsheets), among other document types.

    Release date: 2019-05-22

  • Journals and periodicals: 89-28-0001
    Description:

    Short and focused data tables related to current events.

    Release date: 2019-05-21

  • Table: 51-004-X
    Description:

    This bulletin presents the most up-to-date available information extracted from all of the Aviation Statistics Centre's surveys. Regular features include releases on principal statistics for Canada's major air carriers, airport data, fare basis statistics and traffic data for Canada's most important markets.

    Release date: 2019-05-16

  • Journals and periodicals: 85-002-X
    Geography: Canada
    Description:

    This publication provides in-depth analysis and detailed statistics on a variety of topics and issues related to justice and public safety. Topics include crime, victimization, homicide, civil, family and criminal courts, and correctional services. Issues related to community safety, and perceptions of safety are also covered. The publication is intended for those with an interest in Canada's justice and public safety systems as well as those who plan, establish, administer and evaluate programs and projects related to justice and public safety.

    Release date: 2019-05-16

  • Journals and periodicals: 75-006-X
    Geography: Canada
    Description:

    This publication brings together and analyzes a wide range of data sources in order to provide information on various aspects of Canadian society, including labour, income, education, social, and demographic issues, that affect the lives of Canadians.

    Release date: 2019-05-15

  • Journals and periodicals: 82-003-X
    Geography: Canada
    Description:

    Health Reports, published by the Health Analysis Division of Statistics Canada, is a peer-reviewed journal of population health and health services research. It is designed for a broad audience that includes health professionals, researchers, policymakers, and the general public. The journal publishes articles of wide interest that contain original and timely analyses of national or provincial/territorial surveys or administrative databases. New articles are published electronically each month.

    Health Reports had an impact factor of 2.479 for 2016 and a five-year impact factor of 3.959. All articles are indexed in PubMed. Our online catalogue is free and receives more than 500,000 visits per year. External submissions are welcome.

    Release date: 2019-05-15
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