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Variance function estimation for models proposed by W. Sadler in his variance function program ('VFP', <http://www.aacb.asn.au/resources/usefultools/variancefunctionprogramv14>). 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 'invitro diagnostic' ('IVD') assays modeling this relationship is of great importance when individual testresults are used for defining followup treatment of patients.
Package details 


Author  Andre Schuetzenmeister [cre, aut], Florian Dufey [aut], Andrea Geistanger [ctb] 
Maintainer  Andre Schuetzenmeister <[email protected]> 
License  GPL (>= 2) 
Version  1.0 
Package repository  View on CRAN 
Installation 
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