Running ‘BIC.R’ [1s/1s]
  Comparing ‘BIC.Rout’ to ‘BIC.Rout.save’ ... OK
  Running ‘ICtab.R’ [1s/1s]
  Comparing ‘ICtab.Rout’ to ‘ICtab.Rout.save’ ... OK
  Running ‘RUnit-tests.R’ [0s/0s]
  Running ‘binomtest1.R’ [3s/3s]
  Comparing ‘binomtest1.Rout’ to ‘binomtest1.Rout.save’ ... OK
  Running ‘boundstest.R’ [0s/0s]
  Running ‘controleval.R’ [1s/1s]
  Comparing ‘controleval.Rout’ to ‘controleval.Rout.save’ ... OK
  Running ‘eval.R’ [1s/1s]
  Comparing ‘eval.Rout’ to ‘eval.Rout.save’ ... OK
  Running ‘formulatest.R’ [2s/2s]
  Comparing ‘formulatest.Rout’ to ‘formulatest.Rout.save’ ... OK
  Running ‘glmcomp.R’ [1s/1s]
  Comparing ‘glmcomp.Rout’ to ‘glmcomp.Rout.save’ ... OK
  Running ‘gradient_vecpar_profile.R’ [2s/2s]
  Comparing ‘gradient_vecpar_profile.Rout’ to ‘gradient_vecpar_profile.Rout.save’ ... OK
  Running ‘grtest1.R’ [1s/1s]
  Comparing ‘grtest1.Rout’ to ‘grtest1.Rout.save’ ... OK
  Running ‘methods.R’ [1s/1s]
  Comparing ‘methods.Rout’ to ‘methods.Rout.save’ ... OK
  Running ‘mortanal.R’ [1s/1s]
  Comparing ‘mortanal.Rout’ to ‘mortanal.Rout.save’ ... OK
  Running ‘optimize.R’ [1s/1s]
  Comparing ‘optimize.Rout’ to ‘optimize.Rout.save’ ... OK
  Running ‘optimizers.R’ [1s/1s]
  Comparing ‘optimizers.Rout’ to ‘optimizers.Rout.save’ ... OK
  Running ‘optimx.R’ [0s/0s]
Running the tests in ‘tests/optimx.R’ failed.
Complete output:
  > library(bbmle)
  Loading required package: stats4
  > old_opt <- options(digits=3)
  > require(optimx)
  Loading required package: optimx
  Warning message:
  In library(package, lib.loc = lib.loc, character.only = TRUE, logical.return = TRUE,  :
    there is no package called 'optimx'
  > x <- 0:10
  > y <- c(26, 17, 13, 12, 20, 5, 9, 8, 5, 4, 8)
  > d <- data.frame(x,y)
  > 
  > ## breaks, don't try this
  > ## optimx(fn=Lfn,par=c(15,6),method="Rvmmin")
  > 
  > suppressWarnings(m1 <- mle2(minuslogl=y~dpois(lambda=ymax/(1+x/xhalf)),
  +      start=list(ymax=15,xhalf=6),data=d,
  +      optimizer="optimx",
  +            method=c("BFGS","Nelder-Mead","CG")))
  Error in optimx(par = c(15, 6), fn = function (p)  : 
    could not find function "optimx"
  Execution halted