| Detailed description |
library(package = "Matrix")
x1 <- x2 <- c('a','b','a','b','c')
xtabs(~ x1 + x2, sparse = TRUE, exclude = 'c')
# Error in validObject(.Object) :
# invalid class "dgTMatrix" object: all row indices must be between 0 and nrow-1
sessionInfo()
R version 2.13.1 (2011-07-08)
Platform: i686-pc-linux-gnu (32-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] Matrix_0.999375-50 lattice_0.19-31
loaded via a namespace (and not attached):
[1] grid_2.13.1 tcltk_2.13.1 tools_2.13.1
|
|
