Results 171 to 180 of about 33,054,453 (365)

Clustering multivariate functional data in group-specific functional subspaces

open access: yesComputational statistics (Zeitschrift), 2020
Amandine Schmutz   +4 more
semanticscholar   +1 more source

PARK(ing) time–How park deficiency affects the biological clock in a Drosophila model of Parkinson's disease

open access: yesFEBS Letters, EarlyView.
Drosophila park mutants serve as a model for Parkinson's disease. We used this strain to investigate the connection between oxidative stress and the circadian clock mechanism. We showed that increased oxidative stress affects the physiology of pacemaker cells, disrupting their daily structural plasticity. Lack of rhythmic signaling from pacemaker cells
Kamila Zientara   +3 more
wiley   +1 more source

Description Length and Dimensionality Reduction in Functional Data Analysis [PDF]

open access: yes
In this paper we investigate the use of description length principles to select an appropriate number of basis functions for functional data. We provide a flexible definition of the dimension of a random function that is constructed directly from the ...
Arivalzahan Sengarapillai, D. S. Poskitt
core  

Clustering spatially correlated functional data

open access: yes, 2011
In this paper we discuss and compare two clustering strategies: a hierarchical clustering and a dynamic clustering method for spatially correlated functional data. Both the approaches aim to obtain clusters which are internally homogeneous in terms of
MATEU J, ROMANO, Elvira, GIRALDO R.
core   +1 more source

Structural insights and therapeutic targets in Acinetobacter baumannii capsule biosynthesis

open access: yesFEBS Letters, EarlyView.
Hypervirulent KL49 A. baumannii's capsular polysaccharide contains the nonulosonic acid 8‐epi‐Leg5,7Ac2, synthesized by epimerization via ElaA, ElaB, and ElaC. Crystal structures of ElaA, ElaB, and ElaC reveal their role in CMP‐Leg5,7Ac2 synthesis and regioselective C8 epimerization.
Woo Cheol Lee   +7 more
wiley   +1 more source

Kruskal-Wallis Test for Functional Data Based on Random Projections Generated from a Simulation of a Brownian Motion

open access: yesTecnoLógicas
The k-sample problem for functional data has been widely studied from theoretical and applied perspectives. In literature, Gaussianity of the generating process is generally assumed, which may be impractical in some situations.
Rafael Meléndez Surmay   +2 more
doaj   +1 more source

Three phosphatase families form a community: The phosphohydrolases that act upon inositol pyrophosphates

open access: yesFEBS Letters, EarlyView.
Inositol pyrophosphates are energy‐rich signaling molecules that perform critical functions in cells. Three different families of phosphatases hydrolyze the β phosphate of the inositol pyrophosphate molecules: two have narrow specificities and one is promiscuous.
Ronda J. Rolfes
wiley   +1 more source

fNIRS (DOT) data of the BabyGlucoLight clinical trial for rsFC

open access: yes
This collection contains data linked to the paper "Resting state functional connectivity changes before and after hyper and hypo-glycemia in very preterm neonates", that is the DOT data of reconstructed images of HbO and HbR of the included patients for ...
Savio, Federica   +10 more
core   +1 more source

Design and analysis strategies for robust microbiome ageing research

open access: yesFEBS Letters, EarlyView.
The gut microbiome changes with age and associates with age‐related morbidity and mortality, establishing it as a potential biomarker and intervention target for ageing. Realising this potential requires methodological rigour, yet distinguishing biological signals from methodological artefacts remains challenging across cohorts. This review provides an
Mark Olenik   +5 more
wiley   +1 more source

Forecasting age-specific breast cancer mortality using functional data models [PDF]

open access: yes
Accurate estimates of future age-specific incidence and mortality are critical for allocation of resources to breast cancer control programs and evaluation of screening programs.
Rob J. Hyndman   +2 more
core  

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