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05/03/2021 - Wavelets and their use to solve statistical problem - Palestrante: Michel Montoril (UFSCar)

Quando 05/03/2021
das 14h00 até 16h00
Onde Google Meet
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Seminário Conjunto UFSCar/USP

Data: 05/03/2021 às 14h

Local: Google Meet - link: meet.google.com/gdp-nehf-nbo

Título: Wavelets and their use to solve statistical problem

Nome do Palestrante: Michel Montoril (UFSCar)

Resumo: In this talk we introduce basic concepts related to wavelet bases and their use in Statistics. We briefly overview the construction and the importance of wavelets in the analysis of functions of interest. The application of wavelets to solve statistical problems is illustrated with some examples, namely: probability density function estimation of biased data, classification and additive regression. We also emphasize the estimation of the probability function in mixture regression models. Basically, there is a process Y that can be (randomly) observed along the time, say T, which is supported on the unit interval. For a fixed time T = t, the process can be either a random variable (r.v.) V, with probability f(t), or a r.v. W, with probability 1 - f(t), where V and W are assumed to have known and different means. This method will be illustrated by simulation studies and a real data set application.

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