نتایج جستجو برای: correlation rate
تعداد نتایج: 1309403 فیلتر نتایج به سال:
برای اطمینان از درستی کارکرد فرآیند های صنعتی، نیاز به ابزارهایی هست که وضعیت های نامطلوب عملکرد فرآیند را با دقت و سرعت بالا به راهبر فرآیند نشان دهد. یک روش موثر برای تشخیص و ردیابی عیوب، به کاهش اثر این عیوب، تأمین ایمنی عملیات، کم کردن عدم زمان کارکرد و کاهش هزینه های بازسازی کمک می کند. در حال حاضرbayesian belief networks (bbns) از جمله روش های مورد توجه جهت تعیین و تشخیص عیوب فرآیندها به ...
Serial correlation in annual growth rates carries a lot of information on growth processes – it allows us to directly observe firm performance as well as to test theories. Using a 7-year balanced panel of 10 000 French manufacturing firms, we observe that small firms typically are subject to negative correlation of annual growth rates, whereas larger firms display positive correlation. Furtherm...
Drosophila species show substantial variation in levels of enzyme activity and evidence for coregulation of some enzymes involved in intermediary metabolism (Clark & Keith, 1989; Clark & Wang, 1994). An important extension of studies of cellular processes is to determine how they in ̄uence properties of the whole organism. Links between organismal performance and enzyme activity are important fo...
UANTITATIVE geneticists have long been aware that correlated responses Q are common in populations under different types of selection. The primary implication of a correlated response is that the character under selection is genetically correlated with another character, though other parameters affect the magnitude of the correlated response. In the course of selection for a single trait, other...
The objective of this paper is to quantify the effect of correlation in false discovery rate analysis. Specifically, we derive approximations for the mean, variance, distribution and quantiles of the standard false discovery rate estimator for arbitrarily correlated data. This is achieved using a negative binomial model for the number of false discoveries, where the parameters are found empiric...
ABSTRACT Support of multiple data services can be accomplished via code division multiple access (CDMA) with a constant chip rate, but variable data rates. We present exact equations for the cross-correlation of codes in a multiple-data rate system, and thus equations for the multiple access interference (MAI) and bit error rate (BER). Previous analysis has found the BER using the mean of the M...
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