Re: [R] respecting original matrix dimensions

2010-04-06 Thread Dimitris Rizopoulos
yes, there is -- have a look at the online help file ?"[", especially argument 'drop'. Try also this: crud <- matrix(c(1,2,3,4,5,6,7,8,9,10,11,12),nrow=3,ncol=4) crud[, 1, drop = FALSE] I hope it helps. Best, Dimitris On 4/6/2010 1:39 PM, Robert M. Flight wrote: Hi All, I'm hoping someone

Re: [R] respecting original matrix dimensions

2010-04-06 Thread Marc Schwartz
On Apr 6, 2010, at 6:39 AM, Robert M. Flight wrote: > Hi All, > > I'm hoping someone else can help me out with this. I am doing some > matrix algebra using sub-parts of matrices, and sometimes I need only > a single row/column of the original matrix. However, whenever I pull > out only a single r

[R] respecting original matrix dimensions

2010-04-06 Thread Robert M. Flight
Hi All, I'm hoping someone else can help me out with this. I am doing some matrix algebra using sub-parts of matrices, and sometimes I need only a single row/column of the original matrix. However, whenever I pull out only a single row/column, R returns a row vector, but often this will break my m