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  • Articles and reports: 12-001-X197600200007
    Description: Three Ontario pilot hog surveys were conducted in 1975 to test a sampling method based on the simultaneous use of two list frames. This paper describes the different aspects of the experience. Particular emphasis is given to the double frame methodology such as discussed by Hartley [11]. Optimal allocation of the sample between frames is considered, with revision for each following survey based on all the accumulated results.
    Release date: 1976-12-13

  • Articles and reports: 12-001-X197600100001
    Description: The 1974 Pilot Auto Exit Survey tested three variants of a handout, mailback questionnaire for U.S. visitors leaving Canada, in a search for a reliable low-cost method of data collection. The sample design was based on a personal interview survey done in Ontario in 1973/74. This design, results of the Pilot, comparison with the Ontario results and some conclusions are presented in this paper.
    Release date: 1976-06-14

  • Articles and reports: 12-001-X197600100002
    Description: A special class of missing data problems is discussed, namely that of typical survey data whereby zeros dominate the multivariate response space. Here, techniques which impute means (whether conditional or unconditional) distort rather than improve the quality of the data. A probabilistic model is described which provides reasonable estimates, but also upholds the integrity of the data base. Results are given from a comparative study of the proposed methodology with other estimation/imputation models.
    Release date: 1976-06-14

  • 10,744. Raking ratio estimators Archived
    Articles and reports: 12-001-X197600100003
    Description: This paper presents large sample results for the bias and variance of raking-ratio estimators for up to four iterations. Estimators of the bias and variance are also presented. An expression for the asymptotic covariance matrix of the maximum likelihood estimators of the cell proportions in a two-way table with known marginals is also given.
    Release date: 1976-06-14

  • Articles and reports: 12-001-X197600100004
    Description: With the recent review of the Labour Force Survey, several periphexal projects have been redesigned. This is the case with the LFS re-interview program which will for the coming years be oriented toward the measurement of response errors. This paper describes the new design of the program and discusses how data will be analysed to achieve the objectives.
    Release date: 1976-06-14

  • Articles and reports: 12-001-X197600100005
    Description: This paper presents the Behrens-Fisher problem and gives an overview of the major solutions brought forward to this date. The aim of the paper is to use the most appropriate approach to the problem for testing sets of six month Labour Force Survey data against those of a pilot study. This is done since in many cases (such as Methods Test Panel studies) studies are conducted for six consecutive months and comparisons are required on the basis of those sets of six month data. Empirical results are also given by testing Methods Test Panel Phase III data against corresponding Labour Force Survey data.
    Release date: 1976-06-14

  • Articles and reports: 12-001-X197600100006
    Description: Multi-stage statistical surveys as a means of obtaining socioeconomic characteristics for the population have been in use for many years. Each survey requires an extensive and precise sample design which is governed by the cost structure for obtaining the data and the variance of the characteristic data between units at various stages of sampling. The authors analyzed variance components derived from one month's data of the Canadian Labour Force Survey and examined the variance that would have resulted under different allocation strategies in Table 6 and for different average sizes of units in Table 7. The percentage components of variance, the design effects by stage of sampling and population variances between units of the various stages, as well as measures of homogeneity for households within stages, are derived and shown in Tables 2 to 5.

    The analysis was carried out for the Canadian Labour Force Survey, but the methodology of component of variance estimation (Gray [4]) and the methods used to analyze the results of a particular survey are readily applied to any multi-stage statistical sample survey, where Horvitz-Thompsen estimators and ratio estimation are applied.
    Release date: 1976-06-14

  • Articles and reports: 12-001-X197500254826
    Description: Exact formulae for bias and mean square error of an estimator of process average in single sampling with rectification for finite lots are obtained. Efficiency of the estimator as compared to an unbiased estimator based on the first sample is obtained for a number of values of lot size, sample size, acceptance number and process average used in sampling plans in quality control of data processing.
    Release date: 1975-12-15

  • Articles and reports: 12-001-X197500254827
    Description: In the Methods Test Panel Phase II it was required to do analysis of variance on proportions. Since such analysis gives only approximate results, two models were used in order to be able to draw safe conclusions. Analysis of variance was performed with the proportions as variable and also with the arc sine of the square root of the proportions. The two models are outlined in the present paper and empirical comparisons are made using the MTP Phase II data.
    Release date: 1975-12-15

  • Articles and reports: 12-001-X197500254828
    Description: The Canadian Travel Survey, 1971 was the largest survey on travel of Canadian residents. This paper describes some important aspects of the methodology. Particular emphasis is given to the development of definitions in relation to the methodology, the sampling technique and interview strategy.
    Release date: 1975-12-15
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