CombiStats is a computer program for the statistical analysis of data from biological dilution assays or potency assays. It can perform calculations according to Chapter 5.3 of the European Pharmacopoeia (5th Edition 01/2005 to 8th Edition 01/2014) including the following models:
Parallel line models
Slope ratio models
Probit models
ED50 calculations
4- and 5-parameter logistic curve models
Single dose models
And many more of the family of generalized linear models