نتایج جستجو برای: standard deviations
تعداد نتایج: 540384 فیلتر نتایج به سال:
Standard ranges of atomic and residue volumes are computed in 64 highly resolved and well-refined protein crystal structures using the classical Voronoi procedure. Deviations of the atomic volumes from the standard values, evaluated as the volume Z-scores, are used to assess the quality of protein crystal structures. To score a structure globally, we compute the volume Z-score root mean square ...
Correction The authors [1] note that the standard errors in Table 3 (Table 1 here) are actually standard deviations. The reference to standard errors in the footnote has now been edited accordingly. which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
DTRs from February to June during the COVID-19 pandemic are greater than 3 standard deviations above climatological mean DTR.
‡ The George Washington University, MS 335, NASA Langley Research Center, Hampton, VA, 23681. ABSTRACT The dual-pump coherent anti-Stokes Raman spectroscopy (CARS) method is used to measure temperature and the relative species densities of N2, O2 and H2 in two experiments. Average values and rootmean-square (RMS) deviations are determined. Mean temperature measurements in a furnace containing a...
This paper investigates gaps in math performance among students from high and low socioeconomic groups (SES). It does this through an examination of TIMSS math scores in 19 high income countries. On average, the math scores of students with indicators of high socioeconomic status are over 1 standard deviations above those with low scores, although the gap ranges from a high of 1.5 standard devi...
Equity overvaluation is thought to create the potential for manager misbehavior, while monitoring and corporate governance curb misbehavior. Thus, the effects of corporate governance should be greatest when firms become overvalued. We test this simple yet powerful idea. Using proxies of price deviations from fundamentals and standard measures of corporate governance we demonstrate that firm per...
Intersubject variability of striate and extrastriate areas was mapped by conjoined use of positron emission tomography (PET) and magnetic resonance imaging (MRI). We used two dynamic bowtie-shaped random-dot patterns centered symmetrically around the vertical- and horizontal-meridian, respectively, presented during sequential PET scans in 11 subjects. Control condition was simple fixation on a ...
Markovian models of ion channels have proven useful in the reconstruction of experimental data and prediction of cellular electrophysiology. We present the stochastic Galerkin method as an alternative to Monte Carlo and other stochastic methods for assessing the impact of uncertain rate coefficients on the predictions of Markovian ion channel models. We extend and study two different ion channe...
Problem statement: The specific properties of data series are of primary importance in several sciences. In the field of time series analysis, several researchers have considered the rational approximation theory, particularly the Padé Approximation and Orthogonal Polynomials. Approach: In this study, an approach for the statistical significance of two numerical methods, the r-s and q-d algorit...
A measurement of the cross section for the production of top quark–antiquark pairs (tt) in association with a vector boson V (W or Z) in proton-proton collisions at √ s = 8 TeV is presented. The results are based on a dataset corresponding to an integrated luminosity of 19.5 fb −1 recorded with the CMS detector at the LHC. The measurement is performed in three leptonic (e and µ) channels: a sam...
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