Numerous biological mechanisms are synchronized by the circadian rhythm in species so diverse as mushrooms, drosophiles or mammals. Because of its ubiquity and of its implication in numerous cellular functions, we believe important to be able to extract the main " coarse-grain " mechanisms common to a majority of organisms. In this chapter we consider both… (More)
The authors describe pragmatic aspects of the use of the main statistical software packages for biomedical research with microcomputers. Data analysis and management facilities and some technical and commercial features are comparatively indicated.