hi all,
I am having trouble putting sparse vectors as columns of a DataFrame.
They have 'length' and '[' methods:
> library(Matrix)
> library(IRanges)
> y <- as(c(1,0,1,0,1,0),"sparseVector")
> y
sparse vector (nnz/length = 3/6) of class "dsparseVector"
[1] 1 . 1 . 1 .
> y[6]
sparse vector (nnz/length = 0/1) of class "dsparseVector"
[1] .
> length(y)
[1] 6
> DataFrame(spvec = y)
Error in DataFrame(spvec = y) :
cannot coerce class "dsparseVector" to a DataFrame
> sessionInfo()
R Under development (unstable) (2012-10-31 r61057)
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=en_US.UTF-8 LC_MESSAGES=en_US.UTF-8
[7] LC_PAPER=C LC_NAME=C
[9] LC_ADDRESS=C LC_TELEPHONE=C
[11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C
attached base packages:
[1] parallel stats graphics grDevices utils datasets methods
[8] base
other attached packages:
[1] IRanges_1.17.26 BiocGenerics_0.5.6 Matrix_1.0-10
[4] lattice_0.20-13 Defaults_1.1-1 BiocInstaller_1.9.6
loaded via a namespace (and not attached):
[1] grid_2.16.0 stats4_2.16.0 tools_2.16.0
thanks!
Mike
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