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Tamanho de amostra e estimativa de custo em levantamento epidemiológico de cárie dentária
(2012-03-01)
This study aimed to analyze how the prevalence and the distribution of dental caries influence the sample size in epidemiological surveys, and how much are the costs. Secondary data of oral health surveys in 12-year-old ...
Tamanho de amostra e estimativa de custo em levantamento epidemiológico de cárie dentária
(2012-03-01)
This study aimed to analyze how the prevalence and the distribution of dental caries influence the sample size in epidemiological surveys, and how much are the costs. Secondary data of oral health surveys in 12-year-old ...
Speed estimation for induction motor using neural networks method
(2013-07-15)
This work presents an alternative approach based on neural network method in order to estimate speed of induction motors, using the measurement of primary variables such as voltage and current. Induction motors are very ...
Speed estimation for induction motor using neural networks method
(2013-07-15)
This work presents an alternative approach based on neural network method in order to estimate speed of induction motors, using the measurement of primary variables such as voltage and current. Induction motors are very ...
Inferences from stated preference surveys when some respondents do not compare costs and benefits
Stated preference surveys are often used to estimate willingness to pay
(WTP) for environmental improvements. These surveys typically ask
respondents to choose between the status quo and one or more environmental ...