A Tobit type estimator for the censored Poisson regression model

作者: Joseph V. Terza

DOI: 10.1016/0165-1765(85)90053-9

关键词: Poisson regressionStatisticsEstimatorMathematicsHessian matrixFunction (mathematics)Zero-inflated modelCompound Poisson processPoisson distributionTobit model

摘要: Abstract The Poisson counterpart to the Tobit model is presented. Formulae for gradient and Hessian of relevant log-likelihood function are given incorporated into a Newton-Raphson optimization algorithm. asymptotic covariance matrix estimator detailed. As an illustration, NR algorithm applied individual shopping behavior.

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