Re: [R] request: How can we ignore a component of list having no element

2008-10-15 Thread Adaikalavan Ramasamy
Try x[ !sapply(x, is.null) ] hadley wickham wrote: An alternative approach would be to store 0 x 0 matrices instead of NULLs. This way every object in your list is a consistent type. Hadley On Wed, Oct 15, 2008 at 5:23 AM, Muhammad Azam <[EMAIL PROTECTED]> wrote: Dear friends There

Re: [R] request: How can we ignore a component of list having no element

2008-10-15 Thread hadley wickham
An alternative approach would be to store 0 x 0 matrices instead of NULLs. This way every object in your list is a consistent type. Hadley On Wed, Oct 15, 2008 at 5:23 AM, Muhammad Azam <[EMAIL PROTECTED]> wrote: > Dear friends > There is a list of arrays comprising different no of rows and colu

Re: [R] request: How can we ignore a component of list having no element

2008-10-15 Thread Muhammad Azam
Dear Mahbub Thanks a lot for the help. - Original Message From: Mahbub Latif <[EMAIL PROTECTED]> To: Muhammad Azam <[EMAIL PROTECTED]> Sent: Wednesday, October 15, 2008 12:30:13 PM Subject: Re: [R] request: How can we ignore a component of list having no element try

[R] request: How can we ignore a component of list having no element

2008-10-15 Thread Muhammad Azam
Dear friends There is a list of arrays comprising different no of rows and columns even sometimes NULL, such as [[2]] given below. How can we ignore [[2]] or others like this in the complete list. Any help in this regard is needed. Thanks [[1]] [,1] [,2] [1,]31 [2,]3