Error(s) in re-building vignettes:
  ...
--- re-building ‘chipPCR.Rnw’ using knitr
Warning in block_exec(params) :
  Failed to tidy R code in chunk 'load_data'. Reason:
Error in loadNamespace(name) : there is no package called 'formatR'

Loading required package: chipPCR
Loading required package: xtable
Warning in block_exec(params) :
  Failed to tidy R code in chunk 'problems'. Reason:
Error in loadNamespace(name) : there is no package called 'formatR'

Warning in smooth.spline(x, y, df = (df.tmp * df.fact)) :
  not using invalid df; must have 1 < df <= n := #{unique x} = 40
Warning in smooth.spline(x, y, df = (df.tmp * df.fact)) :
  not using invalid df; must have 1 < df <= n := #{unique x} = 40
Warning in block_exec(params) :
  Failed to tidy R code in chunk 'AmpSim_GUI'. Reason:
Error in loadNamespace(name) : there is no package called 'formatR'

Warning in block_exec(params) :
  Failed to tidy R code in chunk 'AmpSim_random'. Reason:
Error in loadNamespace(name) : there is no package called 'formatR'

Warning in block_exec(params) :
  Failed to tidy R code in chunk 'humanrater_gui'. Reason:
Error in loadNamespace(name) : there is no package called 'formatR'

Warning in block_exec(params) :
  Failed to tidy R code in chunk 'MFIaggr_intro'. Reason:
Error in loadNamespace(name) : there is no package called 'formatR'

Warning in block_exec(params) :
  Failed to tidy R code in chunk 'MFIaggr_conditions'. Reason:
Error in loadNamespace(name) : there is no package called 'formatR'

Warning in block_exec(params) :
  Failed to tidy R code in chunk 'MFIaggr_all'. Reason:
Error in loadNamespace(name) : there is no package called 'formatR'

Warning in block_exec(params) :
  Failed to tidy R code in chunk 'MFIaggr_heteroskedasticity'. Reason:
Error in loadNamespace(name) : there is no package called 'formatR'

Warning in block_exec(params) :
  Failed to tidy R code in chunk 'plotCurves'. Reason:
Error in loadNamespace(name) : there is no package called 'formatR'

Warning in fixNA(x, y, spline = TRUE) :
  Sequence of more than 4 missing values in data.
Approximation may not be correct.
Warning in fixNA(x, y, spline = TRUE) :
  Sequence of more than 4 missing values in data.
Approximation may not be correct.
Warning in fixNA(x, y, spline = TRUE) :
  Sequence of more than 4 missing values in data.
Approximation may not be correct.
Warning in fixNA(x, y, spline = TRUE) :
  Sequence of more than 4 missing values in data.
Approximation may not be correct.
Warning in fixNA(x, y, spline = TRUE) :
  Sequence of more than 4 missing values in data.
Approximation may not be correct.
Warning in block_exec(params) :
  Failed to tidy R code in chunk 'workflow'. Reason:
Error in loadNamespace(name) : there is no package called 'formatR'

Warning in lmrob.S(x, y, control = control) :
  find_scale() did not converge in 'maxit.scale' (= 200) iterations with tol=1e-10, last rel.diff=0
Warning in lmrob.S(x, y, control = control) :
  find_scale() did not converge in 'maxit.scale' (= 200) iterations with tol=1e-10, last rel.diff=0
Warning in lmrob.S(x, y, control = control) :
  find_scale() did not converge in 'maxit.scale' (= 200) iterations with tol=1e-10, last rel.diff=0
Warning in lmrob.S(x, y, control = control) :
  find_scale() did not converge in 'maxit.scale' (= 200) iterations with tol=1e-10, last rel.diff=0
Warning in lmrob.S(x, y, control = control) :
  find_scale() did not converge in 'maxit.scale' (= 200) iterations with tol=1e-10, last rel.diff=0
Warning in lmrob.S(x, y, control = control) :
  find_scale() did not converge in 'maxit.scale' (= 200) iterations with tol=1e-10, last rel.diff=0
Warning in lmrob.S(x, y, control = control) :
  find_scale() did not converge in 'maxit.scale' (= 200) iterations with tol=1e-10, last rel.diff=0
Warning in lmrob.S(x, y, control = control) :
  find_scale() did not converge in 'maxit.scale' (= 200) iterations with tol=1e-10, last rel.diff=0
Warning in lmrob.S(x, y, control = control) :
  find_scale() did not converge in 'maxit.scale' (= 200) iterations with tol=1e-10, last rel.diff=0
Warning in lmrob.S(x, y, control = control) :
  find_scale() did not converge in 'maxit.scale' (= 200) iterations with tol=1e-10, last rel.diff=0
Warning in lmrob.S(x, y, control = control) :
  find_scale() did not converge in 'maxit.scale' (= 200) iterations with tol=1e-10, last rel.diff=0
Warning in lmrob.S(x, y, control = control) :
  find_scale() did not converge in 'maxit.scale' (= 200) iterations with tol=1e-10, last rel.diff=0
Warning in lmrob.S(x, y, control = control) :
  find_scale() did not converge in 'maxit.scale' (= 200) iterations with tol=1e-10, last rel.diff=0
Warning in lf.cov(init, x = x) :
  .vcov.avar1: negative diag(<vcov>) fixed up; consider 'cov=".vcov.w."' instead
Warning in lf.cov(init, x = x) :
  .vcov.avar1: negative diag(<vcov>) fixed up; consider 'cov=".vcov.w."' instead
Warning in block_exec(params) :
  Failed to tidy R code in chunk 'fixNA_data'. Reason:
Error in loadNamespace(name) : there is no package called 'formatR'

Quitting from lines 1106-1116 (chipPCR.Rnw) 
Error: processing vignette 'chipPCR.Rnw' failed with diagnostics:
there is no package called 'qpcR'
--- failed re-building ‘chipPCR.Rnw’

SUMMARY: processing the following file failed:
  ‘chipPCR.Rnw’

Error: Vignette re-building failed.
Execution halted