نتایج جستجو برای: gamma test
تعداد نتایج: 927357 فیلتر نتایج به سال:
Abstract Background: The annual Hajj pilgrimage to Holy Mecca, brings over two million people together in a small confined area through the world. Respiratory illnesses are the most common afflictions during this ceremony presenting as various clinical syndromes. Several microbiologic, Sero-epidemiologic and Immunologic studies have revealed that most of these syndromes are caused by viral i...
abstract process of evapotranspiration (eto) is a major component of the hydrologic cycle that its accurate estimation plays an important role to achieve sustainable development in water balance, irrigation system design and planning and management of water resources. being a function of different metrological parameters and their interactions, evapotranspiration is a complex, nonlinear phenome...
The Gamma test is a fast non-parametric algorithm for estimating the noise variance in an input/output dataset modulo the best smooth model. In this short note we communicate a heuristic method for computing confidence intervals for the noise estimate returned by a Gamma test analysis.
In a smooth input/output process y = f(x), if the input data x ∈ R is noise free and only the output data y is corrupted by noise, then a near optimal smooth model ĝ will be a close approximation to f . However, as previously observed, for example in [Kantz and Schreiber, 2004], if the input data is also corrupted by noise then this is no longer the case. With noise on the inputs, the best pred...
From a data set of input–output vectors the Gamma test estimates the variance of the noise on an output modulo any smooth model with bounded partial derivatives. We present a proof of the Gamma test under fairly weak hypotheses.
فرض می${}$کنیم $g$ یک گروه متناهی باشد. گراف اول $g$ را با $gamma(g)$ نمایش می${}$دهیم. گروه ساده نا${}$آبلی $p$ به وسیله${}$ی گراف اولش شبه${}$تشخیص${}$پذیراست هرگاه هر گروه متناهی $g$ که $gamma(g) = gamma(p)$ است یک عامل ترکیبی یکریخت با $p$ داشته باشد. در این پایان${}$نامه نشان خواهیم داد که گروه ساده${}$ی $l_{10}(2)$ به وسیله${}$ی گراف اولش شبه${}$تشخیص${}$پذیر است. در حقی...
Background: Commissioning tests are recommended before implementing Intensity Modulated Radiation Therapy. This study evaluated five different plans of IMRT mocks for different modulation indices. Materials and Methods: IMRT tests were done in slab phantom for both 6MV and 15 MV photon energies using a 2D array ion chamber dosimeter. Results: The acceptance criteria were based on 3% /3mm. All t...
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