Please excuse what is obviously a trivial matter...
I have a large 3-d array. I wish to set the third dimension (z) to NA
if there are any NA values in the first two dimnesions (xy). So, given
array foo:
foo - array(data = NA, dim = c(5,5,3))
foo[,,1] - matrix(rnorm(25), 5, 5)
foo[,,2] -
Dear Dr Carbon,
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Dr Carbon
Sent: Wednesday, July 27, 2005 12:19 PM
To: [EMAIL PROTECTED]
Subject: [R] setting elements to NA across an array
Please excuse what is obviously a trivial matter...
I
,
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Dr Carbon
Sent: Wednesday, July 27, 2005 12:19 PM
To: [EMAIL PROTECTED]
Subject: [R] setting elements to NA across an array
Please excuse what is obviously a trivial matter...
I have a large 3-d
-
From: Dr Carbon [mailto:[EMAIL PROTECTED]
Sent: Wednesday, July 27, 2005 12:45 PM
To: John Fox
Cc: [EMAIL PROTECTED]
Subject: Re: [R] setting elements to NA across an array
Sorry for being obtuse.
How can I build a logical statement that will set foo[2,2,]
- NA and foo[3,5,] - NA
PROTECTED] On Behalf Of Dr Carbon
Sent: Wednesday, July 27, 2005 1:45 PM
To: John Fox
Cc: [EMAIL PROTECTED]
Subject: Re: [R] setting elements to NA across an array
Sorry for being obtuse.
How can I build a logical statement that will set foo[2,2,] - NA and
foo[3,5,] - NA? Something like, if any row
