Results 31 to 40 of about 10,039,445 (243)
, 1999 Before we apply nonlinear techniques, for example those inspired by chaos theory, to dynamical phenomena occurring in nature, it is necessary to first ask if the use of such advanced techniques is justified "by the data".
Schmitz, Andreas, Schreiber, Thomas
core +3 more sources
Polynomial Regressions and Nonsense Inference
Econometrics, 2013 Polynomial specifications are widely used, not only in applied economics, but also in epidemiology, physics, political analysis and psychology, just to mention a few examples.
Daniel Ventosa-Santaulària +1 more
doaj +1 more source
Hybrid Time Series Method for Long-Time Temperature Series Analysis
Discrete Dynamics in Nature and Society, 2021 This paper combines discrete wavelet transform (DWT), autoregressive moving average (ARMA), and XGBoost algorithm to propose a weighted hybrid algorithm named DWTs-ARMA-XGBoost (DAX) on long-time temperature series analysis.
Guangdong Huang, Jiahong Li
doaj +1 more source
A Family of Correlated Observations: From Independent to Strongly Interrelated Ones
Stats, 2020 This paper proposes a new classification of correlated data types based upon the relative number of direct connections among observations, producing a family of correlated observations embracing seven categories, one whose empirical counterpart currently
Daniel A. Griffith
doaj +1 more source
Clustering Macroeconomic Time Series
, 2017 The data mining technique of time series clustering is well established in many fields. However, as an unsupervised learning method, it requires making choices that are nontrivially influenced by the nature of the data involved.
Augustyński, Iwo +1 more
core +1 more source
Pediatric Blood &Cancer, EarlyView.ABSTRACT Background An international Delphi panel of experts developed consensus statements to delineate the circumstances where the risks of dexamethasone as an antiemetic do and do not outweigh its benefits. Procedure Experts in supportive care of pediatric patients were invited to participate.
Negar Shavandi +20 more
wiley +1 more source
Parsimonious Time Series Clustering
, 2015 We introduce a parsimonious model-based framework for clustering time course data. In these applications the computational burden becomes often an issue due to the number of available observations.
D'Ambrosio, Antonio +3 more
core +1 more source
Multivariate analysis in vector time series [PDF]
, 2000 This paper reviews the applications of classical multivariate techniques for discrimination, clustering and dimension reduction for time series data. It is shown that the discrimination problem can be seen as a model selection problem.
Galeano, Pedro, Peña, Daniel
core +4 more sources
Pediatric Blood &Cancer, EarlyView.ABSTRACT Objective To evaluate selumetinib exposure using therapeutic drug monitoring (TDM) in pediatric patients with neurofibromatosis type 1 (NF1) and plexiform neurofibromas (PN), assess interpatient pharmacokinetic variability, and explore the relationship between drug exposure, clinical response, and adverse effects.
Janka Kovács +8 more
wiley +1 more source
FIBULES OF ‘ALMGREN-156’ IN THE CHRONOLOGY OF MONUMENTS OF THE MIDDLE KAMA REGION
Вестник Брянского государственного университета, 2021 The article is devoted to the issue of the change of cultures in the Kama region at the turn of the Early Iron Age and the early Middle Ages, and continues the cycle of works on this issue.
Krasnoperov A.A.
doaj +1 more source