Variance Function Program

Variance function estimation for models proposed by W. Sadler in his variance function program ('VFP', < http://www.aacb.asn.au/resources/useful-tools/variance-function-program-v14>). Here, the idea is to fit multiple variance functions to a data set and consequently assess which function reflects the relationship 'Var ~ Mean' best. For 'in-vitro diagnostic' ('IVD') assays modeling this relationship is of great importance when individual test-results are used for defining follow-up treatment of patients.


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Reference manual

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install.packages("VFP")

1.1 by Andre Schuetzenmeister, 11 days ago


Browse source code at https://github.com/cran/VFP


Authors: Andre Schuetzenmeister [cre, aut] , Florian Dufey [aut] , Andrea Geistanger [ctb]


Documentation:   PDF Manual  


GPL (>= 2) license


Imports MASS, utils, stats, graphics, grDevices

Depends on gnm

Suggests VCA, RUnit


Suggested by VCA.


See at CRAN