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Registro Completo |
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Biblioteca(s): |
Embrapa Agricultura Digital. |
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Data corrente: |
13/10/2010 |
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Data da última atualização: |
05/11/2010 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
GARGIULO, F.; TERNES, S.; HUET, S.; DEFFUANT, G. |
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Afiliação: |
FLORIANA GARGIULO, LISC/CEMAGREF; SONIA TERNES, CNPTIA, LISC/CEMAGREF; SYLVIE HUET, LISC/CEMAGREF; GUILLAUME DEFFUANT, LISC/CEMAGREF. |
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Título: |
An iterative approach for generating statistically realistic populations of households. |
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Ano de publicação: |
2010 |
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Fonte/Imprenta: |
PLoS ONE, San Francisco, v. 5, n. 1, 2010. |
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Páginas: |
p. 1-9. |
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DOI: |
10.1371/journal.pone.0008828.t002 |
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Idioma: |
Inglês |
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Conteúdo: |
Background. Many different simulation frameworks, in different topics, need to treat realistic datasets to initialize and calibrate the system. A precise reproduction of initial states is extremely important to obtain reliable forecast from the model. Methodology/Principal Findings. This paper proposes an algorithm to create an artificial population where individuals are described by their age, and are gathered in households respecting a variety of statistical constraints (distribution of household types, sizes, age of household head, difference of age between partners and among parents and children). Such a population is often the initial state of microsimulation or (agent) individual-based models. To get a realistic distribution of households is often very important, because this distribution has an impact on the demographic evolution. Usual techniques from microsimulation approach cross different sources of aggregated data for generating individuals. In our case the number of combinations of different households (types, sizes, age of participants) makes it computationally difficult to use directly such methods. Hence we developed a specific algorithm to make the problem more easily tractable. Conclusions/Significance. We generate the populations of two pilot municipalities in Auvergne region (France) to illustrate the approach. The generated populations show a good agreement with the available statistical datasets (not used for the generation) and are obtained in a reasonable computational time. MenosBackground. Many different simulation frameworks, in different topics, need to treat realistic datasets to initialize and calibrate the system. A precise reproduction of initial states is extremely important to obtain reliable forecast from the model. Methodology/Principal Findings. This paper proposes an algorithm to create an artificial population where individuals are described by their age, and are gathered in households respecting a variety of statistical constraints (distribution of household types, sizes, age of household head, difference of age between partners and among parents and children). Such a population is often the initial state of microsimulation or (agent) individual-based models. To get a realistic distribution of households is often very important, because this distribution has an impact on the demographic evolution. Usual techniques from microsimulation approach cross different sources of aggregated data for generating individuals. In our case the number of combinations of different households (types, sizes, age of participants) makes it computationally difficult to use directly such methods. Hence we developed a specific algorithm to make the problem more easily tractable. Conclusions/Significance. We generate the populations of two pilot municipalities in Auvergne region (France) to illustrate the approach. The generated populations show a good agreement with the available statistical datasets (not used for the generation) and are obtained in a reason... Mostrar Tudo |
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Palavras-Chave: |
Algorithm; Algoritmo; Artificial population; População x tarefas do lar; Population distributed in households; Projeto PRIMA; Prototypical Policy Impacts on Multifunctional Activities - PRIMA; Simulation; Synthetic population. |
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Thesagro: |
Simulação. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/23288/1/journal.pone.0008828.pdf
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Marc: |
LEADER 02450naa a2200301 a 4500
001 1864056
005 2010-11-05
008 2010 bl uuuu u00u1 u #d
024 7 $a10.1371/journal.pone.0008828.t002$2DOI
100 1 $aGARGIULO, F.
245 $aAn iterative approach for generating statistically realistic populations of households.$h[electronic resource]
260 $c2010
300 $ap. 1-9.
520 $aBackground. Many different simulation frameworks, in different topics, need to treat realistic datasets to initialize and calibrate the system. A precise reproduction of initial states is extremely important to obtain reliable forecast from the model. Methodology/Principal Findings. This paper proposes an algorithm to create an artificial population where individuals are described by their age, and are gathered in households respecting a variety of statistical constraints (distribution of household types, sizes, age of household head, difference of age between partners and among parents and children). Such a population is often the initial state of microsimulation or (agent) individual-based models. To get a realistic distribution of households is often very important, because this distribution has an impact on the demographic evolution. Usual techniques from microsimulation approach cross different sources of aggregated data for generating individuals. In our case the number of combinations of different households (types, sizes, age of participants) makes it computationally difficult to use directly such methods. Hence we developed a specific algorithm to make the problem more easily tractable. Conclusions/Significance. We generate the populations of two pilot municipalities in Auvergne region (France) to illustrate the approach. The generated populations show a good agreement with the available statistical datasets (not used for the generation) and are obtained in a reasonable computational time.
650 $aSimulação
653 $aAlgorithm
653 $aAlgoritmo
653 $aArtificial population
653 $aPopulação x tarefas do lar
653 $aPopulation distributed in households
653 $aProjeto PRIMA
653 $aPrototypical Policy Impacts on Multifunctional Activities - PRIMA
653 $aSimulation
653 $aSynthetic population
700 1 $aTERNES, S.
700 1 $aHUET, S.
700 1 $aDEFFUANT, G.
773 $tPLoS ONE, San Francisco$gv. 5, n. 1, 2010.
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Registro original: |
Embrapa Agricultura Digital (CNPTIA) |
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Registro Completo
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Biblioteca(s): |
Embrapa Amazônia Ocidental. |
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Data corrente: |
27/10/2000 |
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Data da última atualização: |
20/08/2018 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
BARROS, A. L. R.; DANTAS, J. P.; ARAUJO, R. C.; TEIXEIRA, W. G. |
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Afiliação: |
Universidade do Amazonas-UA; Bolsista CNPq; EMBRAPA-CPAA.; WENCESLAU GERALDES TEIXEIRA, CPAA. |
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Título: |
Uso da mucuna preta como adubo verde na cultura do milho (Zea mays). |
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Ano de publicação: |
1996 |
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Fonte/Imprenta: |
In: REUNIÃO BRASILEIRA DE FERTILIDADE DO SOLO E NUTRIÇÃO DE PLANTAS, 22., 1996, Manaus. Resumos expandidos... Manaus: UA/SBCS, 1996. p. 690-691. |
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Idioma: |
Português |
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Conteúdo: |
Avaliacao da incorporacao de mucuna preta como adubo verde em cultivo de milho em Manaus-AM (Brasil). Com base nos resultados, foi observado que o tratamento PK + mucuna + calagem apresentou media de producao de materia seca total e altura de plantas superior aos demais tratamentos, indicando que a incorporacao de mucuna dispensa o uso de nitrogenio. |
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Palavras-Chave: |
Brasil; Green manure; Paraiba; Stizolobium atterrimum. |
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Thesagro: |
Adubo Verde; Areia; Milho; Mucuna Preta; Zea Mays. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/181658/1/XXII-RB2-690-691.pdf
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Marc: |
LEADER 01112nam a2200253 a 4500
001 1669891
005 2018-08-20
008 1996 bl uuuu u00u1 u #d
100 1 $aBARROS, A. L. R.
245 $aUso da mucuna preta como adubo verde na cultura do milho (Zea mays).
260 $aIn: REUNIÃO BRASILEIRA DE FERTILIDADE DO SOLO E NUTRIÇÃO DE PLANTAS, 22., 1996, Manaus. Resumos expandidos... Manaus: UA/SBCS, 1996. p. 690-691.$c1996
520 $aAvaliacao da incorporacao de mucuna preta como adubo verde em cultivo de milho em Manaus-AM (Brasil). Com base nos resultados, foi observado que o tratamento PK + mucuna + calagem apresentou media de producao de materia seca total e altura de plantas superior aos demais tratamentos, indicando que a incorporacao de mucuna dispensa o uso de nitrogenio.
650 $aAdubo Verde
650 $aAreia
650 $aMilho
650 $aMucuna Preta
650 $aZea Mays
653 $aBrasil
653 $aGreen manure
653 $aParaiba
653 $aStizolobium atterrimum
700 1 $aDANTAS, J. P.
700 1 $aARAUJO, R. C.
700 1 $aTEIXEIRA, W. G.
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Embrapa Amazônia Ocidental (CPAA) |
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