estimation of fertility based on information about children ever born
Báo cáo hóa học: " Joint fundamental frequency and order estimation using optimal filtering" pot
Ngày tải lên :
21/06/2014, 03:20
... functions, something that is often the cause of spurious estimates at rational values of the fundamental frequency for single pitch estimation In Sect VI, we derive an order estimation criterion ... is still nonlinear The statistical order estimation criterion in (85) was derived based on x k , i.e., a single-pitch model, and none of the methods considered in this paper take additional sources ... performance of the estimators to other state -of- the-art estimators before concluding on our work in Sect X Preliminaries A signal containing a number of periodic components, termed sources, consists of...
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Báo cáo y học: "Cost and mortality prediction using polymerase chain reaction pathogen detection in sepsis: evidence from three observational trials" pot
Ngày tải lên :
13/08/2014, 21:21
... Washington University School of Medicine, 660 S Euclid Ave., St Louis, MO 63110, USA Authors’ contributions LEL has made substantial contributions to study conception and design, data collection and ... calculations were done with SAS version 9.1.3 (SAS Institute, Cary, NC, USA) Sensitivity of results to patient cohort characteristics is explored by making use of Equations 4, and Results Prediction of ... Conclusions Our analysis of observational data allows plausible predictions, characterizes patient groups of interest, and is balanced with respect to the sensitivity of results to key Page of...
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Air pollution exposure estimation using dispersion modelling and continuous monitoring data in a prospective birth cohort study in the Netherlands potx
Ngày tải lên :
06/03/2014, 19:20
... stations are considered as the sum of the background concentration and the contribution from local emission sources We modelled the contribution of local emission sources to the PM10 and NO2 concentrations ... Season of conception Year of conception ** P < 0.01 * P < 0.05 Values are mean PM10 and NO2 exposure levels for the total pregnancy period P-values are based on One-way ANOVA followed by Bonferroni’s ... and NO2 concentrations and concentrations measured at monitoring stations [21,22] Our dispersion modelling Page of 11 approach, resulting in hourly average concentrations, is a refinement of this...
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Báo cáo khoa học: "Analysis System of Speech Acts and Discourse Structures Using Maximum Entropy Model*" pptx
Ngày tải lên :
17/03/2014, 07:20
... bigrams Equation (16) shows an example of an unified feature function, and equation (17) and (18) which are delivered by separating the condition of b in equation (16) show examples of separated ... structure of discourse reflecting the depth of the indentation of discourse segments The proposed system transforms this index information to discourse segment boundary (DSB) information to acquire ... fields such as hotel reservation, airline reservation and tour reservation This corpus consists of 528 231 The syntactic pattern consists of the selected syntactic features of an utterance, which approximate...
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Báo cáo khoa học: " Parsing the Wall Street Journal using a Lexical-Functional Grammar and Discriminative Estimation Techniques" doc
Ngày tải lên :
23/03/2014, 20:20
... unlabeled input For estimation, a simple property selection procedure was applied to the full set of around 1000 properties This procedure is based on a frequency cutoff on instantiations of properties ... family of exponential models for stochastic disambiguation In this paper we are concerned with conditional exponential models of the form: p (x|y) = Z (y)1 eãf (x) where X(y) is the set of parses ... statistical parsing (Johnson et al., 1999; Collins, 2000; Collins and Duffy, 2001) In discriminative estimation, only the conditional relation of an analysis given an example is considered relevant,...
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Model choice in time series studies of air pollution and mortality pdf
Ngày tải lên :
29/03/2014, 18:20
... Pollution and Mortality 195 A.1 Estimation of β For the purposes of this section, we shall take the more simplified version of model (1), focusing on the estimation of β and the smooth function of ... are defined on a grid of knot locations spanning the range of the data The function itself, as well as its second derivative, is continuous on the entire range of the data and the function is restricted ... function of time) induces residual autocorrelation at a number of lags The conclusion that residual autocorrelation may be necessary to control for confounding bias emphasizes the importance of...
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perlovsky - neural networks and intellect - using model-based concepts (oxford, 2001)
Ngày tải lên :
03/04/2014, 12:09
... concepts of statistics and information theory: Bayesian likelihood and Shannon’s information The principle of similarity maximization, and in particular maximization of likelihood and information, ... concept called modeling field theory; demonstrates applications of neural networks based on this theory to a variety of problems; and analyzes relationships among mathematics, computational concepts ... PHYSICS OF MIND Note 390 Bibliographical Notes 390 12 Toward Physics of Consciousness 387 388 391 12.1 PHENOMENOLOGY OF CONSCIOUSNESS 392 12.1.1 Popular Conceptions and Misconceptions about Consciousness...
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Three essays on real estate, environmental, and urban economics using the hedonic price model technique
Ngày tải lên :
03/06/2014, 02:21
... (ITOLS) estimation 107 Table 3.4 Hedonic results: General Spatial Model estimation 109 Table 3.5 Definitions and sources of second stage hedonics variables 113 Table 3.6 Segregation demand estimation ... hedonic framework with differing information 14 1.5 Data description 15 1.6 Estimation of the hedonic price function 22 1.7 Assessing endogeneity and sample selection ... estimation – Iterated Ordinary Least Squared Estimation 115 Table 3.7 Segregation demand estimation – Seemingly Unrelated Regression Estimation 116 Table 3.8 Segregation demand...
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Báo cáo hóa học: " Research Article Robust and Accurate Curvature Estimation Using Adaptive Line Integrals" pdf
Ngày tải lên :
21/06/2014, 08:20
... comparison of local surface geometry estimation methods,” Machine Vision and Applications, vol 10, no 1, pp 17–26, 1997 [32] C Tang and G Medioni, “Robust estimation of curvature information from ... Estimation of differential a parameters on triangulated surface,” in Proceedings of the 21st Workshop of the Austrian Association for Pattern Recognition, 1997 [25] D S Meek and D J Walton, On ... triangulation,” in Proceedings of the the 2nd European Conference on Computer Vision, pp 739–743, 1992 [30] R Martin, Estimation of principal curvatures from range data,” International Journal of Shape...
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Báo cáo hóa học: " Research Article A Practical Approach for Simultaneous Estimation of Light Source Position, Scene Structure, and Blind Restoration Using Photometric Observations" pot
Ngày tải lên :
21/06/2014, 22:20
... simultaneous estimation of scene structure, light source direction, and blind image restoration We present the results of experimentation for light source direction estimation, depth estimation, and ... direction from a single image One method is based on local estimates for smooth patches The second method uses shading information from image contours In [22], a scheme which is based on the concept ... knowledge of the position of the light source (with respect to some reference plane) We now discuss briefly some of the research works that have been carried out on the estimation of position of the...
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Báo cáo hóa học: "Research Article A Geometrical-Based Model for Cochannel Interference Analysis and Capacity Estimation of CDMA Cellular Systems" pot
Ngày tải lên :
21/06/2014, 23:20
... aligned The model considers the hexagonal shape of the cells It is applied for the study of performance degradation due to CCI and capacity estimation of the reverse link of single cluster size ... analysis of co-channel interference in sectorization cellular communications systems with Rayleigh fading environment,” in Proceedings of the 2nd International Conference on Wireless Communications, ... and SINR based power control,” International Journal of Wireless Information Networks, vol 8, no 2, pp 99–108, 2001 [23] C Nie, T C Wong, and Y H Chew, “Outage analysis for multi-connection multiclass...
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Báo cáo hóa học: " Doubly Selective Channel Estimation Using Superimposed Training and Exponential Bases Models" pdf
Ngày tải lên :
22/06/2014, 23:20
... statistics -based approach views the information sequence as interference whereas in the iterative joint estimation version it is exploited to enhance channel estimation and information sequence detection ... statistics -based solution to an iterative approach to joint channel and information sequence estimation, based on CE-BEM, using Viterbi detectors The first-order statistics -based approach views the information ... Hong Kong, April 2003 J K Tugnait and X Meng, On superimposed training for channel estimation: performance analysis, training power allocation, and frame synchronization,” IEEE Transactions on...
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Báo cáo hóa học: " Offline Signature Verification Using the Discrete Radon Transform and a Hidden Markov Model" doc
Ngày tải lên :
23/06/2014, 01:20
... also contains information on pen velocity and acceleration Online systems are of interest for “point -of- sale” and security applications Since online signatures also contain dynamic information, ... transmission of information In many transactions, the electronic verification of a person’s identity proved beneficial and this inspired the development of a wide range of automatic identification systems ... focus on offline signature verification We are therefore not concerned with the verification of dy- OVERVIEW OF PRIOR WORK A great deal of work has been done in the area of offline signature verification...
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Báo cáo sinh học: "High-resolution quantitative imaging of mammalian and bacterial cells using stable isotope mass spectrometry" docx
Ngày tải lên :
06/08/2014, 18:21
... escape? The ionization yield, in the negative secondary-ion emission mode, depends strongly on both the electron affinity of the elements or clusters under consideration and the concentration of the ... ions at high mass resolution, parallel detection of several secondary ions, high lateral resolution, and high precision of measurements A new generation of secondary-ion mass spectrometer has ... highly questionable [39] Spatial resolution The parallel detection of different ions, the small size of the primary-ion beam, and the high efficiency of secondary-ion collection all contribute to...
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Báo cáo khoa hoc:" Comparison between estimation of breeding values and fixed effects using Bayesian and empirical BLUP estimation under selection on parents and missing " doc
Ngày tải lên :
09/08/2014, 18:21
... INTRODUCTION Wang et al [22] stated that one deficiency in the practical application of best linear unbiased estimation (BLUE) and best linear unbiased prediction (BLUP) is that errors of estimation of ... EBLUP estimation regarding the overall rank correlation of breeding values and of estimable contrasts of CG effects with their true values for any combination of simulation model, selection scheme, ... parents for the next generation following one of three schemes, i.e., random selection, selection on the basis of highest phenotypes, and selection on the basis of highest estimated breeding...
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Báo cáo sinh học: " Power and parameter estimation of complex segregation analysis under a finite locus model" pot
Ngày tải lên :
09/08/2014, 18:22
... correlation between environment of parent and offspring (MacLean et al, 1975) One basic assumption of segregation analysis, which has received less attention, is normality of the residual distribution ... assumption of independent segregation of a major gene and polygenes The objective of this paper was to study the effect of violation of the two assumptions of the underlying model in segregation analysis, ... expected values DISCUSSION AND CONCLUSIONS The purpose of this paper was to study the sensitivity of complex segregation analysis to violation of some of the assumptions of the underlying model,...
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Báo cáo y học: "Haplotype and isoform specific expression estimation using multi-mapping RNA-seq reads" pptx
Ngày tải lên :
09/08/2014, 22:23
... length of an exon or part exon However, aligned reads often map to multiple genes equally well (Table 1) so the region need not correspond to an actual region on the genome Using our definition of ... species (Additional file 4) Comparison of isoform expression estimation between MMSEQ and RSEM Like MMSEQ, the RSEM method [6] makes use of all classes of reads to estimate isoform expression The authors ... [5], with i representing exons or part exons, or regions spanning exon junctions, enabling good estimation of isoform expression within genes They not, however, include reads mapping to multiple...
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Báo cáo y học: " Role of pulmonary intravascular macrophages in endotoxin-induced lung inflammation and mortality in a rat model" pot
Ngày tải lên :
12/08/2014, 14:20
... staining controls included incubation of sections with only secondary antibody, isotype matched antibodies or with only color development reagents Another control was to stain some of the sections ... contamination units of Platinum Taq DNA polymerase was substituted for the Superscript III RT/Platinum Taq mixture in the reaction A negative control reaction consisted of all the components of ... evaluation showed lack of reduction in macrophages in liver of GC-treated animals This relative lack of impact of GC on liver cells including macrophages could be due to sequestration of GC, similar...
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Báo cáo y học: " Surfactant disaturated-phosphatidylcholine kinetics in acute respiratory distress syndrome by stable isotopes and a two compartment model" potx
Ngày tải lên :
12/08/2014, 15:20
... assumptions on the relative role of the two degradation pathways need to be incorporated into the model Based on the results of studies in which rabbits or mice received non-degradable analogues of ... conclusions remain valid independent of any assumption regarding the site of degradation of surfactant The present results agree with the view that, in ARDS, only a fraction of the lung is accessible to ... 555/590 177/605 276/396 158/260 214/414 267/333 173/227 ‡ Intubation = number of days of intubation/days of intubation at the start of the study † MOSF = Multi Organ System Failure * PaO2/FiO2 M/m...
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