Results 61 to 70 of about 102,682 (289)

Ranking Multivariate GARCH Models by Problem Dimension: An Empirical Evaluation [PDF]

open access: yes
In the last 15 years, several Multivariate GARCH (MGARCH) models have appeared in the literature. Recent research has begun to examine MGARCH specifications in terms of their out-of-sample forecasting performance.
Massimiliano Caporin, Michael McAleer
core   +6 more sources

Pengendalian Kualitas Produk Pakan Ternak Di PT. Japfa Comfeed Indonesia Tbk Unit Gedangan [PDF]

open access: yes, 2016
PT. Japfa Comfeed Indonesia Tbk Unit Gedangan merupakan Perusahaan yang menduduki peringkat kedua dalam penguasaan pangsa pasar pakan ternak di Indonesia, namun pengendalian kualitas hanya dilihat secara deskriptif dimana hal tersebut tidak selalu ...
Novitasari, D. (Devi)   +1 more
core  

MAGTWIST: A Magnetically‐Driven Rotary Actuator Using a Traveling‐Wave With Integrated Stiffness Tunability

open access: yesAdvanced Functional Materials, EarlyView.
MAGTWIST: A compact magnetic rotary actuator, enabling smooth, stepless rotation, and on‐demand locking. Inspired by peristalsis, a soft polymer belt generates a traveling‐wave, enabling 270° rotation when heated. Cooling stiffens the belt, locking it in position and enabling it to withstand high loads.
Simon Frieler   +3 more
wiley   +1 more source

Optimal statistical designs of multivariate EWMA and multivariate CUSUM charts based on average run length and median run leng [PDF]

open access: yes, 2006
Carta kawalan multivariat ialah alat yang berkuasa dalam kawalan proses yang melibatkan kawalan serentak beberapa cirian kualiti yang berkorelasi. Carta-carta multivariat hasil tambah longgokan {MCUSUM) dan multivariat purata bergerak berpemberat ...
Lee, Ming Ha
core  

Sustainable Catalyst‐Free PLG Networks: Recyclability, Biodegradability, and Functional Performance

open access: yesAdvanced Functional Materials, EarlyView.
A catalyst‐additive free covalent adaptable network is developed from star‐shaped poly(lactide‐co‐glycolide) cross‐linked with pyromellitic dianhydride, enabling internal carboxylic acid‐driven transesterification. The resulting biodegradable network exhibits mechanical robustness (Young's modulus ≈1.6 GPa), complete recyclability, rapid biodegradation
Lars Schwarzer   +2 more
wiley   +1 more source

Efficient Computer Network Anomaly Detection by Changepoint Detection Methods

open access: yes, 2012
We consider the problem of efficient on-line anomaly detection in computer network traffic. The problem is approached statistically, as that of sequential (quickest) changepoint detection.
Polunchenko, Aleksey S.   +2 more
core   +1 more source

Dual‐Layer Living Hydrogel Enables On‐Demand Delivery of Phages and Probiotics for Synergistic Wound Infection Therapy

open access: yesAdvanced Functional Materials, EarlyView.
A dual‐layer living hydrogel, ProΦGel, integrates bacteriophages and probiotics for synergistic wound infection therapy. The outer gelatin‐based matrix releases phages on demand in response to P. aeruginosa infections, while inner alginate beads sustain probiotic delivery.
Siyuan Tao   +6 more
wiley   +1 more source

Evaluation of the Run-Length Distribution for a Combined Shewhart-EWMA Control Chart [PDF]

open access: yes, 2007
A simple algorithm is introduced for computing the run length distribution of a monitoring scheme combining a Shewhart chart with an Exponentially Weighted Moving Average control chart.
Capizzi, Giovanna, Masarotto, Guido
core   +1 more source

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