[R] head.matrix() unintelligent

[Duncan Murdoch]

  On 19/10/2010 12:10 PM, brbell01 wrote:
> Hi Just a simple question really. I´ve got these large 2d matrices that I´d
> like to inspect, but not from start to finish.  The head() command is
> convenient when columns are few. For large nxn matrices, however, head() and
> head.matrix() are still cumbersome.  Is there a simple way of viewing both
> the columnwise and rowwise heads of a matrix?

i <- 1:5
M[i,i]

Duncan Murdoch