Use of log-skew-normal distribution in analysis of continuous data with a discrete component at zero.

  title={Use of log-skew-normal distribution in analysis of continuous data with a discrete component at zero.},
  author={High Seng Chai and Kent R. Bailey},
  journal={Statistics in medicine},
  volume={27 18},
The problem of analyzing a continuous variable with a discrete component is addressed within the framework of the mixture model proposed by Moulton and Halsey (Biometrics 1995; 51:1570-1578). The model can be generalized by the introduction of the log-skew-normal distribution for the continuous component, and the fit can be significantly improved by its use, while retaining the interpretation of regression parameter estimates. Simulation studies and application to a real data set are used for… CONTINUE READING

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