Hi
I'm working in the excellent ICEinfer package which calculates bootstrapped cost-effectiveness ratios


Obenchain, B. (2011). ICEinfer: #Incremental Cost-Effectiveness (ICE) Statistical Inference from Two Unbiased Samples. R package version 1.0-0. http://CRAN.R-#project.org/package=ICEinfer

# Display the Bootstrap ICE Uncertainty Distribution...
> plot(dpunc)


# to create 'ICEwedge': an Incremental Cost-Effectiveness Bootstrap Confidence Wedge...
> dpwdg <- ICEwedge(dpunc)
> dpwdg
> plot(dpwdg)


I can then plot separate plots for values of lambda - the 'willingness to pay for an increment of one output e.g. quality adjusted life years - a cost acceptability curve.

# Computing VAGR Acceptability and ALICE Curves...
> dpacc <- ICEalice(dpwdg)
> plot(dpacc)


What I haven't figured out to do it get all these plots on to one plot so I can account for a sensitivity analysis say of different types of cost and their influence on the cost acceptability curve

I've noticed with this package before that I cannot alter the plots for example by changing axes titles - it just doesn't work.  I want to get four different curves from different analyses on one plot. Am i doing something wrong?

Appreciate any advice from anyone who has used this package

Paul





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