Hi Dario --

Quoting Dario Strbenac <[email protected]>:

Hello,

I'm trying to create a longer list out of two GRangesList objects and am getting an unusual error. I think it should work out OK from the information in the package reference manual.

summary(grl)
     Length       Class        Mode
          3 GRangesList          S4
summary(grl2)
     Length       Class        Mode
          3 GRangesList          S4
g <- append(grl, grl2)
Error in `rownames<-`(`*tmp*`, value = c("gr1", "gr2", "gr3", "gr1", "gr2", :
  invalid rownames length
g <- c(grl, grl2)
Error in `rownames<-`(`*tmp*`, value = c("gr1", "gr2", "gr3", "gr1", "gr2", :
  invalid rownames length

I'm using GenomicRanges 1.09 and R 2.11.1.

This should be fixed in IRanges 1.6.17. Try updating your IRanges, e.g., in a new R session

  source('http://bioconductor.org/biocLite.R')
  biocLite('IRanges')

you should end up with

sessionInfo()
R version 2.11.1 Patched (2010-08-30 r52862)
Platform: x86_64-unknown-linux-gnu (64-bit)

locale:
 [1] LC_CTYPE=en_US.UTF-8       LC_NUMERIC=C
 [3] LC_TIME=en_US.UTF-8        LC_COLLATE=en_US.UTF-8
 [5] LC_MONETARY=C              LC_MESSAGES=en_US.UTF-8
 [7] LC_PAPER=en_US.UTF-8       LC_NAME=C
 [9] LC_ADDRESS=C               LC_TELEPHONE=C
[11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

other attached packages:
[1] GenomicRanges_1.0.9 IRanges_1.6.17

Martin

--------------------------------------
Dario Strbenac
Research Assistant
Cancer Epigenetics
Garvan Institute of Medical Research
Darlinghurst NSW 2010
Australia

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