Error(s) in re-building vignettes:
  ...
--- re-building ‘FittingNetworkScaleup.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/networkscaleup.Rcheck/vign_test/networkscaleup/vignettes/FittingNetworkScaleup_files/figure-html/pimle-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 13737 bytes
Input file size = 13827 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 10466
  zc = 9  zm = 8  zs = 1  f = 0
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 10466

Output IDAT size = 10466 bytes (3271 bytes decrease)
Output file size = 10544 bytes (3283 bytes = 23.74% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/networkscaleup.Rcheck/vign_test/networkscaleup/vignettes/FittingNetworkScaleup_files/figure-html/mle-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 13568 bytes
Input file size = 13658 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 10367
  zc = 9  zm = 8  zs = 1  f = 0
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 10367

Output IDAT size = 10367 bytes (3201 bytes decrease)
Output file size = 10445 bytes (3213 bytes = 23.52% decrease)


Quitting from lines 165-200 [overdisp] (FittingNetworkScaleup.Rmd)
Error: processing vignette 'FittingNetworkScaleup.Rmd' failed with diagnostics:
embedded nul in string: '   true gibbs_est stan_est\n1  1555      1569     1611\n2  4683      3596     5172\n3  1817      2062     1653\n4  1465      1099     1510\n5 14134      9142    13872\n\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\n\nSAMPLINGSAMPLING FOR MODEL ' FOR MODEL 'Overdispersed_StanOverdispersed_Stan' NOW (CHAIN ' NOW (CHAIN 12).\n).\nChain Chain 12: : \n\nChain Chain 12: : Gradient evaluation took 0.00029 secondsGradient evaluation took 0.000271 seconds\n\nChain Chain 12: : 1000 transitions using 10 leapfrog steps per transition would take 2.9 seconds.\nChain 1: Adjust your expectations accordingly!\nChain 1000 transitions using 10 leapfrog steps per transition would take 2.71 seconds.1\n: Chain \n2Chain : 1Adjust your expectations accordingly!: \n\nChain 2: \nChain 2: \nChai
--- failed re-building ‘FittingNetworkScaleup.Rmd’

SUMMARY: processing the following file failed:
  ‘FittingNetworkScaleup.Rmd’

Error: Vignette re-building failed.
Execution halted