análise estatística de dados da pnad: incorporando a estrutura do plano amostral statistical analysis of data from pnad: incorporating the sample design

Clicks: 219
ID: 197283
2002
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Abstract
Este artigo descreve como podem ser considerados na análise dos dados da Pesquisa Nacional por Amostra de Domicílios (PNAD) do IBGE os diversos aspectos de seu plano amostral complexo: estratificação, conglomeração, probabilidades desiguais de seleção e ajustes dos pesos para calibração. Para isso, inclui: uma descrição resumida porém completa do plano amostral dessa pesquisa; indicação de como seus dados podem ser usados para estimar totais; e também uma descrição resumida dos métodos essenciais para ajustar modelos paramétricos regulares com os dados da pesquisa levando em conta os aspectos de amostragem complexa. Apresenta ainda os resultados de algumas estimativas para características de pessoas e domicílios calculadas com base nos dados da PNAD/1998, para as quais são apresentadas estimativas dos respectivos desvios padrão e dos efeitos do plano amostral. Conclui com uma indicação dos cuidados que os usuários devem ter ao analisar tais dados em sua prática de pesquisa.
This paper describes how the complex sample design aspects of stratification, clustering, unequal selection probabilities and calibration adjustments of the sample weights affecting the National Household Sample Survey (PNAD) of IBGE can be incorporated into the analysis of its data. For this purpose, it includes: a brief but comprehensive description of this survey's sample design; indication of how its data can be used for estimating totals; and also a description of the essential methods required to fit parametric models taking into account the complex sample survey design aspects mentioned. It also presents some estimates for household and personal characteristics obtained from PNAD/1998, for which standard errors and design effects are computed as an illustration. It concludes with an indication of the precautions users must take when analysing data from PNAD in their survey practice.
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silva2002cinciaanlise Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Pedro Luis do Nascimento Silva, Djalma Galvão Carneiro Pessoa, Maurício Franca Lila
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Journal journal of physical activity & health
Year 2002
DOI
10.1590/S1413-81232002000400005
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-81232002000400005
Keywords
estimation structured data

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