constructing a multiple regression model

Báo cáo khoa hoc:" Estimating covariance functions for longitudinal data using a random regression model" potx

Báo cáo khoa hoc:" Estimating covariance functions for longitudinal data using a random regression model" potx

... ’infinite-dimensional’ equivalent to covariance matrices in a traditional, ’finite’ multivariate analysis [15] As the name indicates, a covariance function (CF) describes the covariance between records taken at ... q-dimensional, multivariate analysis, or i fitting the so-called repeatability model, i.e assuming a a and r = for ij ij i all j 1, , q and carrying out a univariate analysis In the former, fully i parametric ... illustrated with an application to beef cattle data 2 ESTIMATION OF COVARIANCE FUNCTIONS 2.1 Model of analysis 2.1.1 Finite-dimensional model Consider an animal model with y2! the observation for animali...

Ngày tải lên: 09/08/2014, 18:21

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Báo cáo khoa hoc:"Genetic parameters of a random regression model for daily feed intake of performance tested French Landrace and Large White growing pigs" pptx

Báo cáo khoa hoc:"Genetic parameters of a random regression model for daily feed intake of performance tested French Landrace and Large White growing pigs" pptx

... males data castrates data males model castrates model Figure Course of weekly means of daily feed intake (kg) for males and castrates of Large White (left panel) and French Landrace (right panel) ... of the residual variance was judged based on phenotypic daily variances Model estimates calculated as shown above were compared to phenotypic daily variances calculated from data corrected for ... combination of data sets (French Landrace and Large White) and models (constant and variable residual variance), four Gibbs chains were run, with 250 000 samples each 2.4 Post-Gibbs analysis...

Ngày tải lên: 09/08/2014, 18:21

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Báo cáo toán học: " Two-stage source tracking method using a multiple linear regression model in the expanded phase domain" pdf

Báo cáo toán học: " Two-stage source tracking method using a multiple linear regression model in the expanded phase domain" pdf

... low DOA angle and high DOA angle cases separately The phase of high DOA angle cases are commonly wrapped because the wrapping is occurred when the DOA angle is lager than 32° in our simulation ... The authors declare that they have no competing interests Received: 31 May 2011 Accepted: 10 January 2012 Published: 10 January 2012 References S Nakamura, K Hiyane, F Asano, Y Kaneda, T Yamada, ... Second stage: RLS for moving speaker tracking Generally, an LS-TDE in a single-frame-based process easily confronts the lack of data problem because the Yang and Kang EURASIP Journal on Advances...

Ngày tải lên: 20/06/2014, 20:20

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Tài liệu MULTIPLE LINEAR REGRESSION MODEL Introduction and Estimation ppt

Tài liệu MULTIPLE LINEAR REGRESSION MODEL Introduction and Estimation ppt

... explanatory variables), studies of separate influences (direct or net) of the various factors on an economic variable can be explained by the multiple regression model 2) Data requirement Some data ... is apparent from the expression above that each estimator is a linear combination of normally distributed random variables, so each estimator is also normally distributed The same results are ... the K-variable multiple regression The estimators are unbiased, their variances are known, and they are normally Nguyen Trong Hoai 11 12/20/13 Fulbright Economics Teaching Program Analytical Methods...

Ngày tải lên: 20/12/2013, 18:15

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Báo cáo khoa học: "Combining a Statistical Language Model with Logistic Regression to Predict the Lexical and Syntactic Difficulty of Texts for FFL" potx

Báo cáo khoa học: "Combining a Statistical Language Model with Logistic Regression to Predict the Lexical and Syntactic Difficulty of Texts for FFL" potx

... variable may be considered as a nominal, ordinal, or interval variable, each level of measurement being linked to a particular regression technique: multiple linear regression for interval data; ... treat these variables as binary or continuous Theoretical justifications for a binary parameterisation lie in the fact that a text becomes more complex for a L2 language learner when there is a ... developed a SVM categoriser combining a classifier based on trigram language models (one for each level of difficulty), some parsing features such as average tree height, and variables traditionally...

Ngày tải lên: 08/03/2014, 21:20

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Báo cáo khoa học: "Multiple Interpreters in a Principle-Based Model of Sentence Processing" potx

Báo cáo khoa học: "Multiple Interpreters in a Principle-Based Model of Sentence Processing" potx

... grammar can be stated purely as conditions on branches, rather that trees More generally, We will assume the schema of a particular representation provides a formal characterisation of locality ... on locally identifiable links of a Chain: (5) In an argument (NP) Chain, i) case-mark(C-Nodea) or, ii) C-NodeA - head(Chain) * ease-mark(C-Nodea) In an argument Chain, ... Pereira and S Shieber Prolog and NaturalLanguage Analysis CSLI Lecture Notes, Center for the Study of Language and Information, Stanford, California, 1987 [12] E Stabler Avoid the pedestrian's paradox,...

Ngày tải lên: 18/03/2014, 02:20

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báo cáo sinh học:" Narrowing the gap between eye care needs and service provision: a model to dynamically regulate the flow of personnel through a multiple entry and exit training programme" pdf

báo cáo sinh học:" Narrowing the gap between eye care needs and service provision: a model to dynamically regulate the flow of personnel through a multiple entry and exit training programme" pdf

... immediate neighbours and the system as a whole The inclusion of feedback and temporal features makes the model dynamic and non-linear rather than static and linear Nurse, ophthalmology and community ... A3 A3 A3 A3 A2 A2 A2 A2 A1 Eye Car e Tr aining Modules H2 A1 A1 A1 Eye car e nur se Catar act sur geon Optometr ist Ophthalmologist Figure Example1of the use of a proposed modular training system ... will be: available free of charge to the entire biomedical community At a later date, the financial data associated with the personnel flows will be addressed by adding the costs associated with...

Ngày tải lên: 18/06/2014, 17:20

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Báo cáo hóa học: "MULTIPLE PERIODIC SOLUTIONS FOR A DISCRETE TIME MODEL OF PLANKTON ALLELOPATHY" potx

Báo cáo hóa học: "MULTIPLE PERIODIC SOLUTIONS FOR A DISCRETE TIME MODEL OF PLANKTON ALLELOPATHY" potx

... Ginzburg, and H R Akcakaya, Variation in plankton densities among lakes: a case for ratio-dependent predation models, The American Naturalist 138 (1991), 1287–1296 [2] J Chattopadhyay, Effect ... (1.2) Assume that the average growth rates in (1.2) change at equally spaced time intervals and estimates of the population size are made at equally spaced time intervals, then we can incorporate ... Nonlinear Analysis: Real World Applications (2004), no 1, 45–53 [4] M Fan and K Wang, Periodic solutions of a discrete time nonautonomous ratio-dependent predator-prey system, Mathematical and Computer...

Ngày tải lên: 22/06/2014, 22:20

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Báo cáo sinh học: " Computing marginal posterior densities of genetic parameters of a multiple trait animal model using Laplace approximation or Gibbs sampling" doc

Báo cáo sinh học: " Computing marginal posterior densities of genetic parameters of a multiple trait animal model using Laplace approximation or Gibbs sampling" doc

... Both Laplace and LaplaceE approximations yielded very accurate estimates of summary statistics In general, estimates based on approximation [9] were more accurate than estimates using LaplaceE ... Sampling-based approaches to calculating marginal densities J Am Stat Assoc 85, 398-409 Gelman A, Carlin JB, Stern HS, Rubin DB (1995) Bayesian Data Analysis Chapman & Hall, London Geyer CJ (1992) Practical ... Cantet et al (1992) for a linear mixed model with maternal effects and has been applied by Tempelman and Gianola (1993) to a Poisson mixed model and recently by Ducrocq and Casella (1996) to a...

Ngày tải lên: 09/08/2014, 18:22

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Báo cáo y học: "Constructing a fish metabolic network model" pdf

Báo cáo y học: "Constructing a fish metabolic network model" pdf

... tools are abundant, there is a particular challenge to balance automation with the kind of clarity desired in a metabolic map KEGG, and many other pathway databases, creates graphs manually Hence, ... human enzymes Additional file 7: Analysis of zebrafish liver cancer data by KegArray Additional file 8: Analysis of zebrafish liver cancer data by KEGG pathways and Fisher’s exact test Additional ... significant, in-depth data analysis was limited to Gene Set Enrichment Analysis (GSEA) and to two signaling pathways (Wnt-beta-catenin and Ras-MAPK) We shall demonstrate here that MetaFishNet is a valuable...

Ngày tải lên: 09/08/2014, 22:23

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báo cáo khoa học: " Synchronized multiple regression of diagnostic radiation-induced rather than spontaneous: disseminated primary intracranial germinoma in a woman: a case report" pot

báo cáo khoa học: " Synchronized multiple regression of diagnostic radiation-induced rather than spontaneous: disseminated primary intracranial germinoma in a woman: a case report" pot

... M, Hagiwara S, Aiba M, Kubo O: Spontaneous regression of primary intracranial germinoma A case report Cancer 1997, 79:558-563 Murai Y, Kobayashi S, Mizunari T, Ohaki Y, Adachi K, Teramoto A: Spontaneous ... Spontaneous regression of a germinoma in the pineal body after placement of a ventriculoperitoneal shunt J Neurosurg 2000, 93:884-886 Sato A, Sakurada K, Kuge A, Ito M, Akasaka M, Kayama T: Spontaneous ... (CT) scan and a single cranial digital subtraction angiography (DSA) Fourteen days after the first MRI 12 and eight days after the CT scan and DSA, respectively - a pre-operative MRI was taken,...

Ngày tải lên: 11/08/2014, 00:22

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Báo cáo sinh học: " Detection of multiple QTL with epistatic effects under a mixed inheritance model in an outbred population" pot

Báo cáo sinh học: " Detection of multiple QTL with epistatic effects under a mixed inheritance model in an outbred population" pot

... means, medians and modes 424 A Narita, Y Sasaki Table II The true values of the parameters set in respective cases Parametera case l/m case l/m θ a d aa ad da dd case l/m θ a d aa ad da dd case ... inheritance and effects of various sizes, 430 A Narita, Y Sasaki which may have some epistatic effects on one another To ascertain the complicated mechanism of quantitative traits, conventional methods ... such as cattle and swine, the model used assumes that putative QTL are diallelic with alternative alleles fixed in two parental breeds but alleles at marker loci are not completely fixed We have also...

Ngày tải lên: 14/08/2014, 13:22

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Báo cáo sinh học: "A comparison between Poisson and zero-inflated Poisson regression models with an application to number of black spots in Corriedale sheep" doc

Báo cáo sinh học: "A comparison between Poisson and zero-inflated Poisson regression models with an application to number of black spots in Corriedale sheep" doc

... parameters) 3.2 Field data Given the simulation results, data were analysed using the two ‘‘best’’ models, Pe and Ze, including flock, year, flock · year and age effect as covariates, and ram as ... such a value for each animal on a routine basis Laboratory techniques are labour intensive and slow In this context, the number of dark spots in the fleece area of animals may be a useful indicator ... discussed by Gianola [15] and used by Rodrigues-Motta and collaborators [27] in an analysis of the number of mastitis cases in dairy cattle 382 H Naya et al From previous exploratory analysis [16,24],...

Ngày tải lên: 14/08/2014, 13:22

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Báo cáo sinh học: "Phenotypic plasticity of body pigmentation in Drosophila: Computing marginal posterior densities of genetic parameters of a multiple trait animal model using Laplace approximation or Gibbs sampling" pps

Báo cáo sinh học: "Phenotypic plasticity of body pigmentation in Drosophila: Computing marginal posterior densities of genetic parameters of a multiple trait animal model using Laplace approximation or Gibbs sampling" pps

... Both Laplace and LaplaceE approximations yielded very accurate estimates of summary statistics In general, estimates based on approximation [9] were more accurate than estimates using LaplaceE ... Sampling-based approaches to calculating marginal densities J Am Stat Assoc 85, 398-409 Gelman A, Carlin JB, Stern HS, Rubin DB (1995) Bayesian Data Analysis Chapman & Hall, London Geyer CJ (1992) Practical ... Cantet et al (1992) for a linear mixed model with maternal effects and has been applied by Tempelman and Gianola (1993) to a Poisson mixed model and recently by Ducrocq and Casella (1996) to a...

Ngày tải lên: 14/08/2014, 15:21

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Báo cáo sinh học: "Assessment of a Poisson animal model for embryo yield in a simulated multiple ovulation-embryo transfer scheme" potx

Báo cáo sinh học: "Assessment of a Poisson animal model for embryo yield in a simulated multiple ovulation-embryo transfer scheme" potx

... Luciani JM, Guichaoua MR, Mattei A, Morazzani MR (1984) Pachytene analysis of a man with a 13q;14q translocation and infertility: behaviour of the trivalent and nonrandom association with the sex ... capacity of the heterozygous animals, SC formation and the behaviour of the trivalent 5/15; ;15 was studied at the pachytene stage of meiosis = MATERIALS AND METHODS Two Saanen male goats (Capra ... of association between the sex bivalent and the autosomal trivalent could explain the normal spermatogenesis presented by cattle carrying chromosomal translocations, while mice and humans carrying...

Ngày tải lên: 14/08/2014, 19:22

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Báo cáo sinh học: " Assessment of a Poisson animal model for embryo yield in a simulated multiple ovulation-embryo transfer scheme" pot

Báo cáo sinh học: " Assessment of a Poisson animal model for embryo yield in a simulated multiple ovulation-embryo transfer scheme" pot

... Poisson model MML and REML estimates were computed by Laplacian integration (Tempelman and Gianola, 1993) using a Fortran program that incorporated a sparse matrix solver, SMPAK (Eisenstat et al, ... analysis, or a transformation of the data Clearly, is so variance), u Q = A linear one-way random effects model, however, can be contrived in which case be shown that REML may actually estimate ... characterized by appropriate parameter values Analyses were carried out with the Poisson model and with a linear model in each of these populations In general, the estimates of parameters and...

Ngày tải lên: 14/08/2014, 19:22

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Báo cáo sinh học: "Estimation of genetic parameters of egg production traits of laying hens by restricted maximum likelihood applied to a multiple-trait reduced animal model" pps

Báo cáo sinh học: "Estimation of genetic parameters of egg production traits of laying hens by restricted maximum likelihood applied to a multiple-trait reduced animal model" pps

... of the total number of animals, for strains A and B respectively, the reduced animal model (RAM) of (auaas and Pollak (1980) was used With RAM, all the equations corresponding to animals which ... Computing strategy for genetic parameter genetic and estimation The multiple- trait animal model [2] had one random effect and equal design matrices for all traits which were recorded for all animals (no ... c P! is a matrix of and relating nonparents to their in [4] have the following (co)-variance structure: on the canonical parents scale) and Random variables element of G is a diagonal matrix whose...

Ngày tải lên: 14/08/2014, 20:20

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