Re: [R] indices of mismatch element in two vector with missing values

Thank you everyone for taking the time to reply. Thanks Martin and Hervé for your solutions. Now I just need to remember to check for NA match. -- View this message in context: http://r.789695.n4.nabble.com/indices-of-mismatch-element-in-two-vector-with-missing-values-tp4710497p4710518.html Se

Re: [R] indices of mismatch element in two vector with missing values

> Hervé Pagès > on Tue, 28 Jul 2015 23:07:14 -0700 writes: > On 07/28/2015 09:58 PM, Peter Alspach wrote: >> One way >> >> seq(test1)[-which(test1==test2)] > One question is whether 2 NAs should be considered to match or not. > The OP doesn't tell but I

Re: [R] indices of mismatch element in two vector with missing values

On 07/28/2015 09:58 PM, Peter Alspach wrote: One way seq(test1)[-which(test1==test2)] One question is whether 2 NAs should be considered to match or not. The OP doesn't tell but I guess he wants them to match: test1 <- c("1", "2", NA, "4", NA, "6") test2 <- c("1", "2", "3", NA, NA, "66

Re: [R] indices of mismatch element in two vector with missing values

Hi, On 07/28/2015 01:25 PM, baccts wrote: How would you return the index where two vectors differs if they may contain missing (NA) values? For example: test1 <- c("1","2",NA); test2 <- c("1","2","3"); which(test1!=test2) does not return 3! which(test1 != test2 | is.na(test1) != is.na(test2))

Re: [R] indices of mismatch element in two vector with missing values

One way seq(test1)[-which(test1==test2)] but I imagine there are better ones . Peter Alspach -Original Message- From: R-help [mailto:r-help-boun...@r-project.org] On Behalf Of baccts Sent: Wednesday, 29 July 2015 8:26 a.m. To: r-help@r-project.org Subject: [R] indices of mismat