نتایج جستجو برای: variance method

تعداد نتایج: 1710362  

Journal: :International Journal for Uncertainty Quantification 2019

Journal: :Stochastic Processes and their Applications 2008

Journal: :American Journal of Biomedical Science & Research 2019

Journal: :International Journal of Psychological Studies 2019

Journal: :TURKISH JOURNAL OF ELECTRICAL ENGINEERING & COMPUTER SCIENCES 2016

Journal: :Mathematics and Computers in Simulation 2011
Kosuke Oya

The aim of this study is to develop a bias-correction method for realized variance (RV) estimation, where the equilibrium price process is contaminated with market microstructure noise, such as bid-ask bounces and price changes discreteness. Though RV constitutes the simplest estimator of daily integrated variance, it remains strongly biased and many estimators proposed in previous studies requ...

2016
Neda Saffari Siavosh Salmanzadeh-Ahrabi Ahya Abdi-Ali Mohsen Rezaei-Hemami

BACKGROUND AND OBJECTIVES Antibacterial susceptibility testing of clinical bacterial isolates through disk diffusion method plays a major role in antibacterial treatment. One of the main factors affecting the result of these tests is the type, structure and quality of the disks. The main objective of this study was to compare the agreement of antibiotic disks originated from three companies on ...

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