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The VC/RC/US model was used to illustrate how quickly the calculation method of assessing V and R can become very complex. We saw how the complexity of a VC/RC risk model  increases exponentially with additional elements. The equivalent VC/RS model, however, is still extremely simple because the complexity of a V/RS model increases only linearly with additional probability elements. The model is provided here: VC RS US - 1

The links to the VC RS US - 1 software specific models are provided here:

  VC_RS_US_-_1


Here is a screenshot of the model:



  VC_RS_US_-_1


Here is a screenshot of the model:




A VC/RS model does, however, increase exponentially with additional levels of variability. This model is also provided here: VC RS US - 2

The links to the VC RS US - 2 software specific models are provided here:

  VC_RS_US_-_2


Here is a screenshot of the model:



  VC_RS_US_-_2


Here is a screenshot of the model:



Add another layer to the variability (say source of infection) and we need three dimensions, so the simulation software/Excel would no longer be the preferred modeling environment.





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