نتایج جستجو برای: χ2 chart
تعداد نتایج: 31593 فیلتر نتایج به سال:
With the datasets of density distributions calculated by Skyrme functional theories, we elaborated deep neural networks to generate profile and provide a table related hyperparameters set for similar applications other structural models. In process machine learning with objective/target functions that normalized mean square error Kullback–Leibler divergence (cross entropy), there is turning poi...
1. χtrivial(x) = 1 for every x ∈ G is a character. It is called the trivial character. 2. If χ1 and χ2 are characters of G then so is χ1 · χ2 (where χ1 · χ2(x) = χ1(x)χ2(x)). 3. For every character χ of G and x ∈ G, |χ(x)| = 1 (the absolute norm is of course in C). In particular, if we define χ1(x) = χ1(x), then χ1 is also a character and χ · χ = χtrivial. 4. This implies that Ĝ = {χ ∈ C[G] | χ...
Control chart techniques have been widely used in industries to monitor a process in quality improvement. Whenever we deal with variables data, we usually employ a combination of X-bar chart and R chart (or S chart) to monitor both the center and the spread of the process. In this paper, we propose a simple alternative, that is, we design a single chart to monitor both the center and the spread...
BACKGROUND Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) are life-threatening diseases with high mortality rates. This study was designed to analyze the pathogenic factors, clinical manifestations, complications, treatment, and prognosis of SJS/TEN and to explore the differences between surviving and deceased patients. METHODS SJS/TEN patients admitted to Beijing Friends...
A set of statistical tests termed contingency tests, of which χ is the most well-known example, are commonly employed in linguistics research. Contingency tests compare discrete distributions, that is, data divided into two or more alternative categories, such as alternative linguistic choices of a speaker or different experimental conditions. These tests are highly ubiquitous, and are part of ...
abstract. in recent years several studies have shown that control charts with adaptive schemes or double sampling plans detect both small and moderate shifts in the process mean more quickly than the traditional shewhart chart. in the classical double sampling chart, the difference between two points were placed in the central region of first stage was not considered. in this study, a new co...
BACKGROUND To evaluate the risk factor associated with total or subtotal meniscectomy for respective medial and lateral meniscus injury. METHODS The data of all the meniscus injured patients undergoing arthroscopy in our institute between January 15th, 2000 and December 31st, 2008 was collected and 6034 patients with 7241 injured menisci met the inclusion criteria. The mean patient age was 33...
The trivial lower bound for the 2-distance chromatic number χ2(G) of any graph G with maximum degree ∆ is ∆+1. It is known that χ2 = ∆+1 if the girth g of G is at least 7 and ∆ is large enough. There are graphs with arbitrarily large ∆ and g ≤ 6 having χ2(G) ≥ ∆ + 2. We prove the 2-distance 4-colorability of planar subcubic graphs with g ≥ 22.
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