Get Analysis of Time Series Structure: SSA and Related PDF

By Nina Golyandina

ISBN-10: 1584881941

ISBN-13: 9781584881940

During the last 15 years, singular spectrum research (SSA) has confirmed very winning. It has already develop into a typical device in climatic and meteorological time sequence research and popular in nonlinear physics and sign processing. notwithstanding, regardless of the promise it holds for time sequence purposes in different disciplines, SSA isn't well known between statisticians and econometrists, and even supposing the elemental SSA set of rules seems to be uncomplicated, figuring out what it does and the place its pitfalls lay is certainly not simple.Analysis of Time sequence constitution: SSA and similar suggestions offers a cautious, lucid description of its common thought and technique. half I introduces the fundamental recommendations, and units forth the most findings and effects, then offers an in depth therapy of the technique. After introducing the fundamental SSA set of rules, the authors discover forecasting and observe SSA rules to change-point detection algorithms. half II is dedicated to the idea of SSA. right here the authors formulate and end up the statements of half I. They handle the singular worth decomposition (SVD) of actual matrices, time sequence of finite rank, and SVD of trajectory matrices.Based at the authors' unique paintings and choked with functions illustrated with actual information units, this ebook bargains a good chance to procure a operating wisdom of why, whilst, and the way SSA works. It builds a powerful beginning for effectively utilizing the approach in purposes starting from arithmetic and nonlinear physics to economics, biology, oceanology, social technology, engineering, monetary econometrics, and industry learn.

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1) and the detailed trend (Fig. 2). Furthermore, for a finite time series, a harmonic component with a low frequency is practically indistinguishable from a trend (it can even be monotone on a finite time interval). In this case, auxiliary subject-related information about the series can be decisive for the problem of distinguishing trend from the periodicity. 7 and Fig. 14) looks like a periodicity observed over a time interval that is less than half of the period, it is clear that there is no question of periodicity in this case.

2), which corresponds to splitting the index set {1, . . , d} into I and {1, . . , d} \ I. 3) with m = 2 means that U1 , . . , Ud , the basis in the trajectory space L(L) , splits into two groups of basis vectors. This corresponds to the representation of L(L) as a product of two orthogonal subspaces (eigenspaces) L(L,1) = L(Ui , i ∈ I) and L(L,2) = L(Ui , i ∈ I) spanned by Ui , i ∈ I, and Ui , i ∈ I, respectively. Separability of two series F (1) and F (2) means that the matrix XI , whose columns are the projections of the lagged vectors X1 , .

17 shows that the series ‘Ro e´ swine’ has a decreasing trend and an annual seasonality of a complex form. Fig. 4, and 1/2. The nonregularity of the powers for these frequencies indicates a complex form of the annual periodicity. Fig. 19 depicts two additive components of the ‘Ro e´ swine’ series: the seasonal component (top graph), which is described by the eigentriples 2-11, 13 and the residual series (L = 84). The trend component (thick line in Fig. 17) is reconstructed from the eigentriples 1, 12, and 14.

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Analysis of Time Series Structure: SSA and Related Techniques by Nina Golyandina

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