[R] Indexing problem with matrix

2011-07-22 Thread Bogaso Christofer
Dear all, assume I have a matrix with just 1 row. Now suppose I want to fetch 1st few rows from that matrix, however resulting object becomes vector. Here is 1 such example: matrix(1:5, 1) [,1] [,2] [,3] [,4] [,5] [1,]12345 matrix(1:5, 1)[,-1] [1] 2 3 4 5

Re: [R] Indexing problem with matrix

2011-07-22 Thread Joshua Wiley
On Fri, Jul 22, 2011 at 9:46 AM, Bogaso Christofer bogaso.christo...@gmail.com wrote: Dear all, assume I have a matrix with just 1 row. Now suppose I want to fetch 1st few rows from that matrix, however resulting object becomes I'm assuming you mean the first few columns. The place to look is

Re: [R] Indexing problem with matrix

2011-07-22 Thread Bert Gunter
See the drop argument (and link) in ?[ -- Bert On Fri, Jul 22, 2011 at 9:46 AM, Bogaso Christofer bogaso.christo...@gmail.com wrote: Dear all, assume I have a matrix with just 1 row. Now suppose I want to fetch 1st few rows from that matrix, however resulting object becomes vector. Here is 1

Re: [R] Indexing problem with matrix

2011-07-22 Thread Bogaso Christofer
Thanks Joshua and Berton for your pointers. Yes it was typo as I wanted to mean to select few columns. -Original Message- From: Joshua Wiley [mailto:jwiley.ps...@gmail.com] Sent: 22 July 2011 22:02 To: Bogaso Christofer Cc: r-help@r-project.org Subject: Re: [R] Indexing problem

[R] indexing problem

2010-05-21 Thread arnaud Gaboury
Dear group, Here is my environment : ls() [1] l PLglobal Pos100415 Pos100416 Pos100419 Pos100420 position select Trad100415 Trad100416 Trad100419 Trad100420 trade y With objects : l [1] 100415 100416 100419 100420 100421 100422 100423 100426 100427 100428 100429

Re: [R] indexing problem

2010-05-21 Thread David Winsemius
On May 21, 2010, at 9:19 AM, arnaud Gaboury wrote: Dear group, Here is my environment : ls() [1] l PLglobal Pos100415 Pos100416 Pos100419 Pos100420 position select Trad100415 Trad100416 Trad100419 Trad100420 trade y With objects : l [1] 100415 100416 100419

Re: [R] indexing problem

2010-05-21 Thread arnaud Gaboury
Message- From: David Winsemius [mailto:dwinsem...@comcast.net] Sent: Friday, May 21, 2010 4:00 PM To: arnaud Gaboury Cc: r-help@r-project.org Subject: Re: [R] indexing problem On May 21, 2010, at 9:19 AM, arnaud Gaboury wrote: Dear group, Here is my environment : ls() [1

Re: [R] indexing problem

2010-05-21 Thread arnaud Gaboury
-help@r-project.org Subject: Re: [R] indexing problem On May 21, 2010, at 9:19 AM, arnaud Gaboury wrote: Dear group, Here is my environment : ls() [1] l PLglobal Pos100415 Pos100416 Pos100419 Pos100420 position select Trad100415 Trad100416 Trad100419