In this paper, authors present some considerations regarding the use of non-linear regression functions in the statistical analysis of economical phenomenon. The article includes the description of necessary steps for the determination of model parameters and the interpretation of the factorial...

Statistical models for spot shapes and signal intensities are used in image analysis of laser scans of microarrays. Most models have essentially been based on the assumption of independent pixel intensity values, but models that allow for spatial correlation among neighbouring pixels can...