Journal of Applied Mathematics / 2015 / Article / Tab 1

Research Article

The Combined Poisson INMA() Models for Time Series of Counts

Table 1

Sample mean and mean square error (in brackets) for models A, B, and C.

ModelSample size
Parameter50100400700

Aϕ10.07810.08730.09250.0953
(0.0316)(0.0084)(0.0047)(0.0017)
ϕ20.16580.17950.18670.1957
(0.0251)(0.0193)(0.0052)(0.0035)
θ0.24330.27310.28750.2924
(0.0236)(0.0074)(0.0032)(0.0021)
λ1.13721.10071.02851.0046
(0.1256)(0.0632)(0.0358)(0.0067)

Bϕ10.25470.28710.29350.2977
(0.0412)(0.0136)(0.0087)(0.0032)
ϕ20.34680.37260.38910.3964
(0.0308)(0.0158)(0.0072)(0.0023)
θ0.46250.47890.48360.4976
(0.0217)(0.0104)(0.0044)(0.0013)
λ3.56723.17413.05223.0075
(0.3265)(0.2381)(0.0943)(0.0045)

Cϕ10.56480.57830.58670.5973
(0.0213)(0.0151)(0.0078)(0.0024)
ϕ20.17320.18470.19070.1976
(0.0342)(0.0153)(0.0024)(0.0005)
θ0.63470.68240.69470.6953
(0.0145)(0.0083)(0.0026)(0.0011)
λ12.362710.653810.148610.0024
(1.0764)(0.3105)(0.0852)(0.0053)

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