báo cáo hóa học:" Research Article Impact of Missing Value Imputation on Classification for DNA Microarray Gene Expression " ppt

... Biology Volume 2009, Article ID 504069, 17 pages doi:10.1155/2009/504069 Research Article Impact of Missing Value Imputation on Classification for DNA Microarray Gene Expression Data—A Model-Based ... of Correlation. Figure 4 illustrates the effect of gene correlation (parameter ρ in the data model) on imputation and classification. As the gene correlat...

Ngày tải lên: 21/06/2014, 20:20

... the impact of cooperation on spectral efficiency. Further gains in spectral efficiency were realized through fractional cooperation. 4.2. Impact of Clustering Type on Cooperation Region Area. Consider ... is only a single term in the  expression of (26), which is 4 C 3 . This allows for a solution by manual inspection, since the cardinality for noncooperation case is 50, and...

Ngày tải lên: 21/06/2014, 17:20

... case of general precoded OFDMA system. Although new algorithms for a lower complexity implementation of B-IFDMA based on time-domain signal generation have been proposed in [3], it is more convenient to ... synchronization. Without loss of generality, we focus on the detection of the data symbols transmitted by the user u.Moreover,to clearly emphasize the effect of CFO, a trans...

Ngày tải lên: 21/06/2014, 23:20

... basic formulation used in the next section to per- form an analytic study of specific cases. 4. MEAN NODE DEGREE CLOSED-FORM DERIVATION In this sec tion, a closed-form derivation is proposed for ... degree now only relies on one generic node density parameter n 1 , on the energy detection level through ε d and on the attenuation parameter α. 4.2. Closed-form in AWGN 4.2.1. Transmissi...

Ngày tải lên: 22/06/2014, 19:20

... 0.55 represented by one byte. For this reason, Chipcon suggested the use of a linear conversion of the correlation values into a range of 0 to 255, using empirical methods based on Packet Error Rate ... many application areas. In this paper, we present an in-depth, experimental study on the impact of LQI-based routing metrics on the performance of a one-to-one routing prot...

Ngày tải lên: 21/06/2014, 11:20

... Corporation Journal of Inequalities and Applications Volume 2010, Article ID 961502, 20 pages doi:10.1155/2010/961502 Research Article Commutators of Littlewood-Paley Operators on the Generalized ... we therefore give only the proofs of Theorem 1.2 for b, μ Ω  and Theorem 1.3 for b, μ  S . Remark 1.6. It is easy to see that the condition 1.15 is weaker than Lip β S n...

Ngày tải lên: 21/06/2014, 07:20

... autonomous parabolic evolution equations,” Journal of Evolution Equations, vol. 1, no. 1, pp. 19–37, 2001. 27 R. Schnaubelt, “Asymptotic behaviour of parabolic nonautonomous evolution equations,” ... A· generates the evolution family U·, ·. For some nice works on evolution equations, which make use of evolution families, we refer the reader to, for example, 19–29. Definitio...

Ngày tải lên: 21/06/2014, 11:20

... size of the population grows larger. 4.3.1. Encoding of Temporal Contrast with a Population of LIF Neurons. We examine the encoding of the temporal contrast with a population of LIF neurons. ... reconstruction formalism is needed. Consequently, a major goal is the development of a mathematical framework for the representation and recovery of arbitrary stimuli with a population...

Ngày tải lên: 21/06/2014, 20:20

... MCPE of the desired one is equal to zero, and MCPEs of the others are not. In numerical computation of statistic signals, the above two expressions, (10), will guarantee that the absolute value of ... simulations. Table 1: The MSPE of different sources for a different given AR parameter (p = 10). MSPE of s 1 MSPE of s 2 MSPE of s 3 MSPE of s 4 Given AR of s 1 0.9974 0.95...

Ngày tải lên: 21/06/2014, 22:20

... wireless connection; assuming nonline -of- sight (NLOS) conditions, this connection is modeled as a Rayleigh fading channel, with a coherence time T coh = 20 milliseconds (corresponding to slow motion of ... header of an RTP packet contains, among other things, a sequence number and a time stamp. This allows the detection of missing or out -of- order delivery of RTP packets and to p...

Ngày tải lên: 21/06/2014, 22:20