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The random generation of directed animals
1994
Theoretical Computer Science
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Sprugnoli, The random generation of directed animals, Theoretical Computer Science 127 (1994) 333-350. In this paper, we propose an algorithm to randomly generate a directed animal. ...
Directed animals are well-known combinatorial objects and have been widely used for modelling the physical phenomenon of percolation. ...
Directed animals may be used as a mathematical model for physical phenomena involving interacting particle systems and so the random generation of directed animals is particularly important for simulating ...
doi:10.1016/0304-3975(94)90046-9
fatcat:srpbokobjzcndcu4myjqgczyem
Generic Animation Method for Multi-Objects in IFS Fractal Form
2016
Journal of ICT Research and Applications
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Both non-metamorphic animation and metamorphic animation of objects or multi-objects in IFS fractal form as basic animation method can be implemented by a modified version of the random iteration algorithm ...
In this way it is possible to create an attractive animation based on the combination of both animation methods as a generic animation method, as discussed in this paper. ...
The direction can be reversed, so in general the animation of a forest in a windy season can be realized with the trees swinging back and forth. ...
doi:10.5614/itbj.ict.res.appl.2016.10.3.1
fatcat:ep7bwsmljrfkpf2zw3c2yvgsae
Covariance function of Legendre polynomials for the modeling of Polled Nellore cattle growth in northern Brazil
2019
Semina: Ciências Agrárias
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Besides, different order functions were considered for random effects, so that (co) variance associated with genetic effects (direct and maternal) and permanent environmental effects (animal and maternal ...
Age polynomial functions of different orders were evaluated using a random-effect modeling associated with a genetic study of cattle growth curves. ...
are the order of polynomial to be fitted to each random effect; = random error associated with each age i of the animal j. ...
doi:10.5433/1679-0359.2019v40n2p781
fatcat:ljyn5avv7zhvla6n47ijszcd4y
Why do many animals move with a predominance of roughly forward directions?
2010
Nature Precedings
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It is shown that a movement strategy with directional persistence enables simulated animals to find more forage as compared to a random movement strategy. ...
, of which animal movement is an important component. ...
Acknowledgements The author thanks the National Research Foundation of South Africa (NRF) for funding part of this project. ...
doi:10.1038/npre.2010.5156.1
fatcat:fhc6qlkhofce7lhqglwxqsthdq
Influence of animals obtained using embryo transfer on the genetic evaluation of growth in Simmental beef cattle with random regression models
2013
Genetics and Molecular Research
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The inclusion of animals from ET in genetic evaluations can be done using random regression models; the inclusion of these animals would provide potential accuracy gains and greater genetic gains per unit ...
time because of the reduction in the generation interval from the use of this reproductive technique. ...
ACKNOWLEDGMENTS The authors thank Associação Brasileira de Criadores das Raças Simental e Simbrasil (Brazilian Association of Simbrasil and Simmental Cattle Breeders, ABCRSS) for providing the data that ...
doi:10.4238/2013.november.22.17
pmid:24301959
fatcat:5wt46nfofvagpfy5fomfqtzibm
Choice of statistical model for estimating genetic parameters using restricted maximum likelihood in swine
2002
Journal of Animal Breeding and Genetics
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included all the random effects. ...
EPM1, EPM2 and EPM3 resulted in biased estimation of the direct genetic variances. EPM4 was the most accurate in each GRM. ...
This is consistent with the results in the current study in which data are generated by assuming the presence of several random effects. ...
doi:10.1046/j.1439-0388.2002.00355.x
fatcat:qz4amrub2vgpfbjyh64luqylku
Random regression models in the evaluation of the growth curve of Simbrasil beef cattle
2013
Genetics and Molecular Research
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of reproduction and as random effects additive direct genetic effect, animal permanent environment, maternal additive genetic effect, and maternal permanent environment. ...
Random regression models were used to estimate the types and orders of random effects of (co)variance functions in the description of the growth trajectory of the Simbrasil cattle breed. ...
ACKNOWLEDGMENTS We thank ABCRSS for providing the data used in this study. ...
doi:10.4238/2013.february.27.2
pmid:23512670
fatcat:r74rdhhj6rea5mr74idm4tbpca
Random regression models for the evaluation of the growth of goats of the Anglonubian breed
2020
Arquivo Brasileiro de Medicina Veterinária e Zootecnia
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The choice of the best model was based on the AIC, BIC and AICc criteria. Variance estimates of the four random effects increased as the animals aged. ...
Direct and maternal additive genetic effects and direct and maternal permanent environmental effects were included as random in the models. ...
ACKNOWLEDGEMENTS The authors thank the Higher Education Personnel Improvement Coordination (CAPES) for the scholarship grant and the Federal University of Piauí. ...
doi:10.1590/1678-4162-11501
fatcat:x2olfstmbfgploimqzgd3yo4v4
Gene direction in living organisms
2012
Scientific Reports
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Since random arrangement of a large number of genes along the chromosomes can theoretically generate a multiplicity of gene direction orders, a statistical test of gene direction randomness is required ...
, photosynthetic protists and some plants/animals, giving chromosomes/genomes with gene opposite-direction dominance (i.e., towards the random use of both DNA strands). ...
Author contributions XQL conceived, designed, and executed the experiments, analyzed the data, and wrote the manuscript. DL wrote and tested the PERL program. ...
doi:10.1038/srep00982
fatcat:cto2gu4nhfed3kro3g255swgae
Path integration in dogs
1998
Animal Behaviour
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The Association for the Study of Animal Behaviour Path integration refers to the process by which an animal updates the direction and distance of the starting point of its outward journey relative to its ...
The analysis of the distributions of errors in the return direction and distance showed that the dogs made both systematic and random errors. ...
The Association for the Study of Animal Behaviour Path integration refers to the process by which an animal updates the direction and distance of the starting point of its outward journey relative to its ...
doi:10.1006/anbe.1997.0662
pmid:9632467
fatcat:aeyq2uh3ajddbgtnfy66jjzx7i
Full sib pens of pigs are not suitable to identify variance component of associative effect: a simulation study using Gibbs Sampling
2009
BMC Genetics
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The simulated data comprised five generations of pigs. The breeding animals of each generation were selected randomly. ...
In the simulation, variations were introduced for the methods of assigning pens (random, mixed sib and full sib), the number of pigs per pen (5 or 10), the number of breeding animals per generation (162 ...
Acknowledgements The research was financially supported by IWT Vlaanderen, the Flemish Institute for the Promotion of Innovation through Science and Technology. ...
doi:10.1186/1471-2156-10-9
pmid:19250536
pmcid:PMC2678166
fatcat:tz475h7kcnazzpblpggpyxtzqa
Weight evaluation of Tabapuã cattle raised in northeastern Brazil using random-regression models
2017
Arquivo Brasileiro de Medicina Veterinária e Zootecnia
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The M4532-5 random-regression model was found to be best for estimating the variation and heritability of growth characteristics in the animals evaluated. ...
The M4532-5 random-regression model with 39 parameters was found to be best for describing the growth curve of the animals evaluated providing improved selection for heavier animals when performed after ...
In general, the direct permanent environmental variance showed growth from birth to 600 days of age that decreased slightly at the end of the study period. ...
doi:10.1590/1678-4162-9070
fatcat:l22bzhyi5zbixa4iyd6v6hvc64
Genetic evaluation using multi-trait and random regression models in Simmental beef cattle
2013
Genetics and Molecular Research
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in the growth trajectory of the animals. ...
The (co)variance components were generally similar in MTM and RRM. Direct heritabilities of MTM were slightly lower than RRM and varied from 0.04 to 0.42 and 0.16 to 0.45, respectively. ...
Associação Brasileira de Criadores das Raças Simental e Simbrasil (ABCRSS) provided the data used in this research. ...
doi:10.4238/2013.july.24.2
pmid:23979882
fatcat:i3oadnakxnfjzhaivbpef5557e
Quasi-random Agents for Image Transition and Animation
[article]
2017
arXiv
pre-print
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The key idea is to generalize the notion of quasi-random walks and let a set of autonomous agents perform quasi-random walks painting an image. ...
Each agent has one particular target image that they paint when following a sequence of directions for their quasi-random walk. ...
Acknowledgment This research has been supported by the Australian Research Council (ARC) through grants DP140103400 and DP160102401. ...
arXiv:1710.07421v1
fatcat:s2e2ugcz2ncc7cnuo77fp22ioe
RANDOM MODELS WITH DIRECT AND COMPETITION GENETIC EFFECTS
2004
Conference on Applied Statistics in Agriculture
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Livestock producers often select for animals which are genetically superior for yield. Competition among animals in the same pen may affect yield of pen mates. ...
Random effects were residual and pen effects and direct and competition genetic values with genetic correlation. ...
To simulate the paired direct and competition genetic effects (G i and C i ) for each animal i, a vector, v, of pseudo random normal (0,1) variables was generated of length 2 x 642. ...
doi:10.4148/2475-7772.1149
fatcat:qczdxwth6bds7dxco722fmoata
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