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### Running command:
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###   /Library/Frameworks/R.framework/Resources/bin/R CMD build --keep-empty-dirs --no-resave-data DMRforPairs
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* checking for file ‘DMRforPairs/DESCRIPTION’ ... OK
* preparing ‘DMRforPairs’:
* checking DESCRIPTION meta-information ... OK
* installing the package to build vignettes
* creating vignettes ... ERROR
--- re-building ‘DMRforPairs_vignette.Rnw’ using Sweave
Loading required package: Gviz
Loading required package: S4Vectors
Loading required package: stats4
Loading required package: BiocGenerics

Attaching package: ‘BiocGenerics’

The following objects are masked from ‘package:stats’:

    IQR, mad, sd, var, xtabs

The following objects are masked from ‘package:base’:

    Filter, Find, Map, Position, Reduce, anyDuplicated, aperm, append,
    as.data.frame, basename, cbind, colnames, dirname, do.call,
    duplicated, eval, evalq, get, grep, grepl, intersect, is.unsorted,
    lapply, mapply, match, mget, order, paste, pmax, pmax.int, pmin,
    pmin.int, rank, rbind, rownames, sapply, setdiff, sort, table,
    tapply, union, unique, unsplit, which.max, which.min


Attaching package: ‘S4Vectors’

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

    findMatches

The following objects are masked from ‘package:base’:

    I, expand.grid, unname

Loading required package: IRanges
Loading required package: GenomicRanges
Loading required package: GenomeInfoDb
Loading required package: grid
Loading required package: R2HTML
Loading required package: parallel
min_distance=c(200, 300, 200, 300), min_n=c(4, 4, 5, 5)
Recoding annotation classes...
Body --> gene
5'UTR --> gene
3'UTR --> gene
1stExon --> gene
TSS1500 --> tss
TSS200 --> tss
Island --> island
N_Shelf --> island
N_Shore --> island
S_Shelf --> island
S_Shore --> island
Calculating the number of regions and associated probes for the requested set of parameters
Regionfinder: processing chr7 (1/1)

Error: processing vignette 'DMRforPairs_vignette.Rnw' failed with diagnostics:
 chunk 3 
Error in xtfrm.data.frame(x) : cannot xtfrm data frames

--- failed re-building 'DMRforPairs_vignette.Rnw'

SUMMARY: processing the following file failed:
  'DMRforPairs_vignette.Rnw'

Error: Vignette re-building failed.
Execution halted