[R] Add column from other columns data.

[Petr PIKAL]

> Something along the lines of 
> 
> dat2  <-  ifelse( dat1==1 , "yes", "no")

Another option is in this case

dat2  <-  c("no", "yes")[dat1+1]

Regards
Petr

> 
> should do it.
> 
> John Kane
> Kingston ON Canada
> 
> 
> > -----Original Message-----
> > From: s1010265 at student.hsleiden.nl
> > Sent: Mon, 14 May 2012 05:45:38 -0700 (PDT)
> > To: r-help at r-project.org
> > Subject: [R] Add column from other columns data.
> > 
> > Hi everyone,
> > 
> > I am having some problems with making a new colomn wit data in it.
> > I have this one column named: Fulfilled
> > 
> > Fulfilled
> > 1
> > 1
> > 0
> > 1
> > 1
> > 1
> > 1
> > 0
> > 0
> > 1
> > 
> > And now I would like to add another colum to my .csv file ("Finished")
> > 
> > In this "Finished" column I would like to have "Yes" or "No".
> > Where in colomn "Fullfilled" is a 1, "Finished" should have a "Yes".
> > Like this:
> > 
> > Fullfilled Finished
> > 1 Yes
> > 1 Yes
> > 0 No
> > etc
> > 
> > Now I know how to grab the data out of a column, and also know how to
> > save
> > data inside a .csv file.
> > That is no problem.
> > But how do I get the right Yes or No on the right place in the other
> > column?
> > 
> > # Get al values: 1
> > Fullfilled_1 = Fullfilled[Fullfilled = 1]
> > 
> > I was thinkng about subset.
> > But I don' t realy know if that would be realy it....
> > 
> > Maybe somebody here can push me a little in the right direction?
> > 
> > 
> > --
> > View this message in context:
> > 
http://r.789695.n4.nabble.com/Add-column-from-other-columns-data-tp4629921.html

> > Sent from the R help mailing list archive at Nabble.com.
> > 
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