Error(s) in re-building vignettes:
  ...
--- re-building ‘Categorical-FDA-Tutorial.Rnw’ using Sweave
Loading required package: fda
Loading required package: splines
Loading required package: Matrix
Loading required package: fds
Loading required package: rainbow
Loading required package: MASS
Loading required package: pcaPP
Loading required package: RCurl

Attaching package: ‘fda’

The following object is masked from ‘package:graphics’:

    matplot


Error: processing vignette 'Categorical-FDA-Tutorial.Rnw' failed with diagnostics:
 chunk 6 
Error in array(x, c(length(x), 1L), if (!is.null(names(x))) list(names(x),  : 
  ‘data’ must be of a vector type, was ‘NULL’

--- failed re-building ‘Categorical-FDA-Tutorial.Rnw’

--- re-building ‘Continuous-FDA-Tutorial.Rnw’ using Sweave
Loading required package: fda
Loading required package: splines
Loading required package: Matrix
Loading required package: fds
Loading required package: rainbow
Loading required package: MASS
Loading required package: pcaPP
Loading required package: RCurl

Attaching package: ‘fda’

The following object is masked from ‘package:graphics’:

    matplot


Error: processing vignette 'Continuous-FDA-Tutorial.Rnw' failed with diagnostics:
 chunk 5 
Error in array(x, c(length(x), 1L), if (!is.null(names(x))) list(names(x),  : 
  ‘data’ must be of a vector type, was ‘NULL’

--- failed re-building ‘Continuous-FDA-Tutorial.Rnw’

--- re-building ‘Figures-from-Referenced-Paper.Rnw’ using Sweave
Loading required package: fda
Loading required package: splines
Loading required package: Matrix
Loading required package: fds
Loading required package: rainbow
Loading required package: MASS
Loading required package: pcaPP
Loading required package: RCurl

Attaching package: ‘fda’

The following object is masked from ‘package:graphics’:

    matplot


Attaching package: ‘lattice’

The following object is masked from ‘package:fda’:

    melanoma


Error: processing vignette 'Figures-from-Referenced-Paper.Rnw' failed with diagnostics:
 chunk 4 
Error in array(x, c(length(x), 1L), if (!is.null(names(x))) list(names(x),  : 
  ‘data’ must be of a vector type, was ‘NULL’

--- failed re-building ‘Figures-from-Referenced-Paper.Rnw’

SUMMARY: processing the following files failed:
  ‘Categorical-FDA-Tutorial.Rnw’ ‘Continuous-FDA-Tutorial.Rnw’
  ‘Figures-from-Referenced-Paper.Rnw’

Error: Vignette re-building failed.
Execution halted