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--- re-building ‘NanoStringNorm_Introduction.Rnw’ using Sweave
Loading required package: NanoStringNorm
Loading required package: gdata
gdata: read.xls support for 'XLS'
gdata: (Excel 97-2004) files
gdata: ENABLED.

gdata: Unable to load perl libaries
gdata: needed by read.xls()
gdata: to support 'XLSX' (Excel
gdata: 2007+) files.

gdata: Run the function
gdata: 'installXLSXsupport()'
gdata: to automatically download
gdata: and install the perl
gdata: libaries needed to support
gdata: Excel XLS and XLSX formats.

Attaching package: ‘gdata’

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Loading required package: vsn
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Attaching package: ‘BiocGenerics’

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Welcome to Bioconductor

    Vignettes contain introductory
    material; view with
    'browseVignettes()'. To cite
    Bioconductor, see
    'citation("Biobase")', and for
    packages 'citation("pkgname")'.

Loading required package: XML
WARNING: Perl module Compress::Raw::Zlib cannot be loaded.
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WARNING: Microsoft Excel 2007 'XLSX' formatted files will not be processed.
WARNING: Perl module Compress::Raw::Zlib cannot be loaded.
WARNING: Perl module Spreadsheet::ParseXLSX cannot be loaded.
WARNING: Microsoft Excel 2007 'XLSX' formatted files will not be processed.
Error: processing vignette 'NanoStringNorm_Introduction.Rnw' failed with diagnostics:
Running 'texi2dvi' on 'NanoStringNorm_Introduction.tex' failed.
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! LaTeX Error: \begin{center} on input line 667 ended by \end{document}.

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! Emergency stop.
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*** (job aborted, no legal \end found)

!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘NanoStringNorm_Introduction.Rnw’

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

Error: Vignette re-building failed.
Execution halted