c1=="AT",0, ifelse(vec1=="TT",1,NA)))
library(stringr)
abs(vec2-as.numeric(unlist( str_extract_all(dat1[,1],"[0-9]+"
#[1] 51 34 56 44 NA
A.K.
- Original Message -
From: Jeremy Ng
To: r-help@r-project.org
Cc:
Sent: Tuesday, July 2, 2013 8:31 AM
Subject:
On 02/07/2013 13:31, Jeremy Ng wrote:
Hi guys,
I was wondering if any one is able to help me on a problem that I was stuck
with for a long time. It involves the replacement of character strings with
numbers. The character string can take on only 3 possible values, for
instance:
AA
AT
TT
I woul
Hi guys,
I was wondering if any one is able to help me on a problem that I was stuck
with for a long time. It involves the replacement of character strings with
numbers. The character string can take on only 3 possible values, for
instance:
AA
AT
TT
I would want R to replace AT with 0. Between A
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