?gsub()
Match the start (_) followed by anything (.*) and replace by ""
gsub("_.*","",Name)
Weidong Gu,
Department of Medicine
University of Alabama, Birmingham
1900 University Blvd., Birmingham, Alabama 35294
PH: (205)-975-9053
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
On Behalf Of Qian R
Sent: Tuesday, May 06, 2008 12:56 PM
To: [email protected]
Subject: [R] substring
I have a data frame such as
Name
DISC1_5916
DABC2_789
ABCD_1234
I want to substring column Name so that
DISC1
DABC2
ABCD
...
Thanks.
---------------------------------
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PLEASE do read the posting guide
http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
______________________________________________
[email protected] mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
