Extract Emax model residual SD estimates
Extract Emax model residual SD estimates.
## S3 method for class 'fitEmax' sigma(object, ...) ## S3 method for class 'fitEmaxB' sigma(object, ...) ## S3 method for class 'emaxsim' sigma(object, ...) ## S3 method for class 'emaxsimB' sigma(object, ...)
object |
Output of Emax fitting and simulation functions |
... |
None additional inputs supported |
MLE estimate of the residual SD from fitEmax.
Vector of MLE estimates of the residual SD for each emaxsim simulation.
Vector of MCMC generated residual SD for fitEmaxB.
Vector of posterior median estimates of the residual SD for
each emaxsimB simulation.
Neal Thomas
doselev<-c(0,5,25,50,100,350) n<-c(78,81,81,81,77,80) ### population parameters for simulation e0<-2.465375 ed50<-67.481113 dtarget<-100 diftarget<-9.032497 emax<-solveEmax(diftarget,dtarget,log(ed50),1,e0) sdy<-8.0 pop<-c(log(ed50),emax,e0) dose<-rep(doselev,n) meanlev<-emaxfun(dose,pop) y<-rnorm(sum(n),meanlev,sdy) testout<-fitEmax(y,dose,modType=4) sigma(testout)
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