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Empirical Comparisons of Seasonal Arima and Arima Component (Struc...

By: William R. Bell

Statistical Reference Document

Introduction: Two popular models for seasonal time series are multiplicative seasonal ARIMA (autoregressive-integrated-moving average) models (Box and Jenkins 1970) and ARIMA component (structural) models (Harvey 1989). Despite the rising popularity of ARIMA component models in the time series literature of recent years, empirical studies comparing these models with seasonal ARIMA models have been relatively rare. One exception is Bell and Pugh (1990), hereafter BP, whic...

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Time Series Methods for Survey Estimation

By: William R. Bell

Statistical Reference Document

Introduction: Papers by Scott and Smith (1974) and Scott, Smith, and Jones (1977), hereafter SSJ, suggested the use of signal extraction results from time series analysis to improve estimates in periodic surveys. If the covariance structure of the usual survey estimators (Y,) and their sampling errors (et> for a set of time points is known, these results produce the linear functions of the available Yt?s that have minimum mean squared error as estimators of the populatio...

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Time Series Analysis of Household Yeadship Proportions: 1959-1985

By: William R. Bell

Statistical Reference Document

Introduction: The Population Division of the Bureau of the Census periodically publishes projections of the number of households and families. In 1979 the Population Division issued the report f?Projections of the Number of Households and Families: 1979 to 1995? (Series P-25, No. 8051, and this year (1986) they released ?Projections of the Number of Households and Families: 1986 to 2000? (Series P-25, No. 986). In this paper we describe the time series methodology used i...

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Clinical Studies in the Relationship of Insanity to Crime

By: Paul Eugene Bowers
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Clinical Studies of the Surgical Diseases of the Female Generative...

By: Lewis Stephen Pilcher
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