$ R
R version 2.12.2 (2011-02-25)
Platform: i486-pc-linux-gnu (32-bit)
> install.packages("ggplot2", dep="T")
Error in apply(available[p1, dependencies, drop = FALSE], 1L, function(x) paste(x[!is.na(x)], :
subscript out of bounds
我该怎么安装ggplot2?