The EXPAND Procedure
- Overview
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Getting Started
Converting to Higher Frequency SeriesAggregating to Lower Frequency SeriesCombining Time Series with Different FrequenciesInterpolating Missing ValuesRequesting Different Interpolation MethodsUsing the ID StatementSpecifying Observation CharacteristicsConverting Observation CharacteristicsCreating New VariablesTransforming Series -
Syntax
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Details
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Examples
- References
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de Boor, C. (1978), A Practical Guide to Splines, New York: Springer-Verlag.
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Hodrick, R. J. and Prescott, E. C. (1980), “Post-war U.S. Business Cycles: An Empirical Investigation,” Discussion Paper 451, Carnegie Mellon University.
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Levenbach, H. and Cleary, J. P. (1984), The Modern Forecaster, Belmont, CA: Lifetime Learning Publications.
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Makridakis, S. G. and Wheelwright, S. C. (1978), Interactive Forecasting: Univariate and Multivariate Methods, 2nd Edition, San Francisco: Holden-Day.
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Wheelwright, S. C. and Makridakis, S. G. (1973), Forecasting Methods for Management, 3rd Edition, New York: Wiley-Interscience.