1984, vol. 8, núm. 1
Summary
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Índex
(Universitat Politècnica de Barcelona. Centre de Càlcul, 1984-03)
Review
Open Access -
Multivariable ARMA systems and practicable calculations
(Universitat Politècnica de Barcelona. Centre de Càlcul, 1984-03)
Article
Open AccessThe representation of ARMA systems in canonical state space is described and the idea of order and the manifold structure of spaces of systems are introduced. Some neighbourhood systems are described and related to other ... -
Problems in scientific time series analysis
(Universitat Politècnica de Barcelona. Centre de Càlcul, 1984-03)
Article
Open AccessThe paper reviews the statistical methods of time series analysis used in a selection of papers from respected scientific journals. In particular, problems are considered in the search for cycles, the use of regression to ... -
On the properties typical of economic time series
(Universitat Politècnica de Barcelona. Centre de Càlcul, 1984-03)
Article
Open AccessThis paper summarizes the results of econometric time-series analysis performed by the author and colleagues over the last seven years, using the Box-Jenkins approach in interaction with Economic Theory. Typical univariate ... -
Concepts of relative importance
(Universitat Politècnica de Barcelona. Centre de Càlcul, 1984-03)
Article
Open AccessHow might one interpret the relative importance of independent variables, causes or determiners when a dependent variable depends on those determiners together with chance? Such questions arise throughout science, technology, ...