Time series analysis

... preliminary understating of the time behavior of the series Fig.1 shows time series plot of selected time series air pollution concentration This Figure shows different time behavior of air pollutants ... Spectral analysis of air pollutants Part 1: elemental carbon time series Atmospheric Environment, 34, 3495-3502 Discussion and Conclusion Daily air...

Ngày tải lên: 15/03/2014, 20:20

... of timeseries analysis in the time domain which arose largely as a consequence of the failure of the traditional methods of periodogram analysis The synthesis of the two branches of time- series ... harmonic analysis that gave rise to the concept of the spectral density of a time 12 1: THE METHODS OF TIME- SERIES ANALYSIS series should prove to be wholly...

Ngày tải lên: 27/05/2014, 02:44

... and Durbin and Koopman (2001) treat the topic of state space methods at an advanced level suitable for postgraduate and advanced graduate courses in time series analysis Elementary time series books, ... time series analysis using state space methodology to readers who are neither familiar with time series analysis nor with state space methods The only ba...

Ngày tải lên: 10/06/2014, 21:34

... clinical, laboratory and pharmacy information for all patients, including the dates of enrollment into the HIV clinic, the dates of all clinical appointments and CD4 tests and the dates of starting ... two-years of initial training, and all had attended standardized training on staging HIV-positive patients using CD4 counts and WHO criteria Prior to the intervention,...

Ngày tải lên: 18/06/2014, 17:20

... longer critical times in elderly subjects, implying that a greater time spent in openloop control could be a factor in falls in the elderly [29] Since the pioneering work of Collins and De Luca, ... either clinically, using tests such as the "Timed Get-up -and- go" [13], "Berg Balance Scale" [14] and the "Tinetti Balance Scale" [15], or biomechanically, using a force pla...

Ngày tải lên: 19/06/2014, 10:20

... Time series analysis as input for clinical predictive modeling: Modeling cardiac arrest in a pediatric ICU Curtis E Kennedy1§, James P Turley2 Department of Pediatrics, Baylor College ... series analysis informs the user of how a variable relates to itself In particular, time series analysis provides two types of information about a variable of interest: trends and seaso...

Ngày tải lên: 13/08/2014, 16:20

... quality, marketing strategy, production cost, trade barrier and tariff as well IV ACRONYMS AND INITIALS ADF Augmented Dickey-Fuller APEC Asia-Pacific Economic Corporation APFIC Asia-Pacific Fishery ... such as quotas, tariff barriers, tastes of consumers, and so on According to the above reasons, crude oil and garment have not advantages to become industries as comparative advanta...

Ngày tải lên: 18/05/2015, 03:46

... orbit remains, is called the embedding dimension Time Delay (τ) Time delay is a suitable multiple of the sampling time Δt 2.3 ANALYSIS OF CHAOTIC TIME SERIES Analysis of chaotic time series may ... kernel τ = Time delay xxiii CHAPTER INTRODUCTION Prediction of hydrological and meteorological time series is an important task in understanding the hydrologica...

Ngày tải lên: 16/09/2015, 08:30

... APPLICATION OF TIME SERIES ANALYSIS IN MODELING CHILDHOOD EPIDEMIC DISEASES ZOU HUIXIAO (B.Sc South China University of Technology, China) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF SCIENCE ... stochastic version of the SEIR model (Fine and Clarkson [1982]), Finkenst¨adt and Grenfell [2000] introduced a time series susceptible-infected-recovered (TSIR) mode...

Ngày tải lên: 30/09/2015, 13:49

... X (z) = we get z( z − e−α cos(θ )) z2 − (2e−α cos(θ ) )z + e−2α ∞ n=0 dX (z) = dz z z (z2 + 4z + 1) (z − 1)4 az (z + a) (z − a)3 z (z − a)3 z (z − a)m z z − rej θ z( z − r cos(θ )) z2 − (2r cos(θ ) )z ... 0.0 2z 2 ] [1 − 0. 3z z − 0. 3z + 0.02 (z − 0.1) (z − 0.2) and Y0s (z) = = z [1 − 0. 1z 1 ] X (z) [1 − 0. 1z 1 ] = [1 − 0. 3z 1 + 0.0 2z 2 ] z + 0.2 [1 − 0. 3z 1...

Ngày tải lên: 29/09/2013, 21:20

... Time-Varying Analysis-Synthesis Filter Banks 37. 1 37. 2 37. 3 37. 4 Iraj Sodagar DavidSar noffResearch Center 37. 1 Introduction Analysis of Time-Varying Filter Banks Direct Switching of Filter Banks ... time-varying filter banks and briefly discuss some design methods 37. 2 Analysis of Time-Varying Filter Banks Time-varying filter banks are analysis-synth...

Ngày tải lên: 22/01/2014, 12:20

... dịch chuyển theo thời gian Rõ ràng rằng, lệch chuẩn biến thiên lớn, từ khoảng 0,5% thời kỳ yên ổn đến gần 3% suốt thời kỳ xáo động Nhiều chuỗi thời gian tài đặc trưng biến đổi thời gian giống tính ... cốt yếu phương pháp kết luận thống kê có sở việc phát ông kết hợp cụ thể hai (hay nhiều) chuỗi bất tĩnh tĩnh Học thuyết kinh tế thường đưa dự đoán xác: Nếu có c...

Ngày tải lên: 23/01/2014, 23:20

... (Section 2.5) was used for evolving the MLP for the forecasting problem (Fig 3) The starting populations were initialised with the random set of MLP models (see the encoding in the Section 2.4) and ... adequate information for achieving the performance described in the results Results 3.2 Validation statistics 3.1 Evolved MLP models The validation statistics is pre...

Ngày tải lên: 17/02/2014, 22:20