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Modelos para Dados de Contagem com Estrutura Temporal

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Quantis amostrais<br />

−1.5 −0.5 0.5 1.0<br />

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v t<br />

−1.5 −0.5 0.5 1.0<br />

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−2 −1 0 1 2<br />

Quantis teóricos<br />

(a) Qq-plot (Poi-LN) (ξ = −V/2)<br />

0 20 40 60 80<br />

(b) Dispersã (Poi-LN) (ξ = −V/2)<br />

t<br />

ACF<br />

−0.2 0.2 0.6 1.0<br />

Quantis amostrais<br />

−1.5 −0.5 0.5 1.0<br />

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0 20 40 60<br />

Lag<br />

(c) Autocorrelação (Poi-LN) (ξ =<br />

−V/2)<br />

−2 −1 0 1 2<br />

Quantis teóricos<br />

(d) Qq-plot (Poi-LN) (ξ = 0)<br />

v t<br />

−1.5 −0.5 0.5 1.0<br />

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ACF<br />

−0.2 0.2 0.6 1.0<br />

0 20 40 60 80<br />

(e) Dispersão (Poi-LN) (ξ = 0)<br />

t<br />

0 20 40 60<br />

Lag<br />

(f) Autocorrelação (Poi-LN) (ξ =<br />

−V/2)<br />

Figura 4.22: Gráficos da análise <strong>de</strong> resíduos do mo<strong>de</strong>lo Poisson-lognormal dinâmico <strong>com</strong><br />

ξ = −V/2 e <strong>com</strong> ξ = 0.<br />

120

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