Hi, say I have a vector: v <- c(1,2,3,NA,5,6,NA,7) And I would like to set the elements that are NA to, say, 0 I can use is.na() to get a logical vector: ind <- is.na(v) Is there a way in which I can use this logical vector to set the NA elements in v to 0? Thanks, ------------------------------------------------------------------- Rajarshi Guha <rxg218 at psu.edu> <http://jijo.cjb.net> GPG Fingerprint: 0CCA 8EE2 2EEB 25E2 AB04 06F7 1BB9 E634 9B87 56EE ------------------------------------------------------------------- All great ideas are controversial, or have been at one time.
using a logical vector as a mask?
2 messages · Rajarshi Guha, Kjetil Halvorsen
On 21 Nov 2003 at 0:38, Rajarshi Guha wrote:
v <- c(1,2,3,NA,5,6,NA,7) ind <- is.na(v) ind
[1] FALSE FALSE FALSE TRUE FALSE FALSE TRUE FALSE
v[ind] <- 0 v
[1] 1 2 3 0 5 6 0 7 Kjetil Halvorsen
Hi, say I have a vector: v <- c(1,2,3,NA,5,6,NA,7) And I would like to set the elements that are NA to, say, 0 I can use is.na() to get a logical vector: ind <- is.na(v) Is there a way in which I can use this logical vector to set the NA elements in v to 0? Thanks, ------------------------------------------------------------------- Rajarshi Guha <rxg218 at psu.edu> <http://jijo.cjb.net> GPG Fingerprint: 0CCA 8EE2 2EEB 25E2 AB04 06F7 1BB9 E634 9B87 56EE ------------------------------------------------------------------- All great ideas are controversial, or have been at one time.
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