with(df, substr(DESCRIPTION, start=1, stop=nchar(DESCRIPTION) - 10))
?nchar
On 4/23/2010 11:57 AM, arnaud Gaboury wrote:
Dear group,
Here is my df :
df -
structure(list(DESCRIPTION = c(PRM HGH GD ALUMINIUM USD 09/07/10 ,
PRM HGH GD ALUMINIUM USD 09/07/10 , PRIMARY NICKEL
Use regular expressions:
df$newDesc - sub((\\d+/\\d+/\\d file://d+///d+///d+), '',
df$DESCRIPTION)
df
DESCRIPTION CREATED.DATE QUANITY
CLOSING.PRICEnewDesc
1 PRM HGH GD ALUMINIUM USD 09/07/102020-04-09 -1 2,415.90 PRM
HGH GD ALUMINIUM
Hi,
On Fri, Apr 23, 2010 at 11:57 AM, arnaud Gaboury
arnaud.gabo...@gmail.com wrote:
Dear group,
Here is my df :
df -
structure(list(DESCRIPTION = c(PRM HGH GD ALUMINIUM USD 09/07/10 ,
PRM HGH GD ALUMINIUM USD 09/07/10 , PRIMARY NICKEL USD 04/06/10
), CREATED.DATE = structure(c(18361,
:11 PM
To: arnaud Gaboury
Cc: r-help@r-project.org
Subject: Re: [R] substract start from the end of the vector
Hi,
On Fri, Apr 23, 2010 at 11:57 AM, arnaud Gaboury
arnaud.gabo...@gmail.com wrote:
Dear group,
Here is my df :
df -
structure(list(DESCRIPTION = c(PRM HGH GD
On Fri, Apr 23, 2010 at 12:28 PM, arnaud Gaboury
arnaud.gabo...@gmail.com wrote:
TY Steve, using regular expression does the job nicely. I need now to fully
understand your code and learn more about what a regular expression is. Any
good ref is welcome.
Skimming through the help pages for
5 matches
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