Inference.py: Anscombe_Poisson_residuals would alter masking in passed in arrays with 0 values. This appears to be a bug in numpy.masked_array, but we can work around it by using the numpy.power function.
Inference.py: Anscombe_Poisson_residuals would alter masking in passed in arrays with 0 values. This appears to be a bug in numpy.masked_array, but we can work around it by using the numpy.power function.



git-svn-id: 4c7b13231a96299fde701bb5dec4bd2aaf383fc6@196 979d6bd5-6d4d-0410-bece-f567c23bd345

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