Hi,
Using your code:
sub("[.]$",".1",sim.code)
#[1] "1.1234.1a.1" "1.1234.1a.2" "1.3245.2c.5" "4.6743.3c.1" "4.3254.6b.4"
#[6] "3.5463.2a.1"
A.K.
----- Original Message -----
From: chris201 <chris.r.benn...@btinternet.com>
To: r-help@r-project.org
Cc:
Sent: Friday, March 8, 2013 5:23 AM
Subject: [R] Substitute value
Hi,
I have a large data frame and within this there is one column which contains
individual codes (eg. 1.1234.2a.2). I am splitting these codes into their 4
components using strsplit (eg. "1", "1234", "2a", "2"). However there are
some individual codes which do not have a last component (eg. 2.4356.3b. ),
I want to give these codes a "1" as their last component (eg. 2.4356.3b.1)
but I can't get it to work.
This is my example and attempt:
sim.code<-c("1.1234.1a.1","1.1234.1a.2","1.3245.2c.5","4.6743.3c.","4.3254.6b.4","3.5463.2a.")
sim.val<-c(4,5,3,6,4,7)
sim.df<-data.frame(sim.code,sim.val)
sim.df$sim.code2<-sub(".$",".1",sim.df$sim.code)
sim.df
but this changes all the ends to ".1"
Thanks,
Chris
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