[R] Newbie needs to count elements in a row

2009-12-29 Thread Verena Weber
Hi, I have a n*m matrix and would like to count the number of elements not equal to NA in a ROW. e.g. x 1 2 3 NA 10 y 2 NA 8 9 NA Which function can I use to obtain 4 for row x and 3 for row y? Could you help me? I found some functions for columns but not for rows... Thank you very much!

Re: [R] Newbie needs to count elements in a row

2009-12-29 Thread Henrique Dallazuanna
Try this: rowSums(!is.na(x)) On Tue, Dec 29, 2009 at 11:49 AM, Verena Weber verenawe...@gmx.de wrote: Hi, I have a n*m matrix and would like to count the number of elements not equal to NA in a ROW. e.g. x 1 2 3 NA 10 y 2 NA 8 9 NA Which function can I use to obtain 4 for row x and

Re: [R] Newbie needs to count elements in a row

2009-12-29 Thread Nutter, Benjamin
:50 AM To: r-help@r-project.org Subject: [R] Newbie needs to count elements in a row Hi, I have a n*m matrix and would like to count the number of elements not equal to NA in a ROW. e.g. x 1 2 3 NA 10 y 2 NA 8 9 NA Which function can I use to obtain 4 for row x and 3 for row y? Could you help me

Re: [R] Newbie needs to count elements in a row

2009-12-29 Thread John Kane
) == -- On Tue, 12/29/09, Verena Weber verenawe...@gmx.de wrote: From: Verena Weber verenawe...@gmx.de Subject: [R] Newbie needs to count elements in a row To: r-help@r-project.org Received: Tuesday, December 29, 2009, 8:49 AM Hi, I have a n*m