[R] placing objects with format statements into text file
pem at theriver.com
Thu Apr 18 19:49:32 CEST 2002
Thanks for your help. It worked flawlessly! The lapply(d1,format) was
the part that I was missing. Thanks again.
On Thu, 18 Apr 2002, Martin Maechler wrote:
> >>>>> "Patrick" == Patrick McKnight <pem at theriver.com> writes:
> Patrick> Greetings, Is there a way to explicitly state the
> Patrick> format statement for each object in a write
> Patrick> statement? For example, I have data frame with
> Patrick> four variables (SSN that is 11 characters, and
> Patrick> three other variables with values ranging between 0
> Patrick> and 10). I would like to have a text file written
> Patrick> that preserves a specific formatting.
> Patrick> Specifically, I would like the following result:
> Patrick> 129-02-1102 1 3 4 5
> Patrick> 123-45-345610 9 810
> Patrick> etc.
> Patrick> As you can see, the SSN takes up only 11 columns
> Patrick> and the other four variables are formated with no
> Patrick> seperator but are "put" there with the format
> Patrick> statement of f2.0. So, is there a way to
> Patrick> accomplish this in R? If so, I would be extremely
> Patrick> greatful for direction.
> Here is an example (providing these explicitly in such questions
> makes the question often easier to understand)
> d1 <- data.frame(ssn = c("123-345-789","987-654-3"), id = 1:2, age=c(20,60))
> > d1
> ssn id age
> 1 123-345-789 1 20
> 2 987-654-3 2 60
> Now the idea is to use
> - write.table with sep=""
> - format each column - coercing to character (of same width) :
> > write.table(lapply(d1,format), quote=FALSE,row.names=FALSE,col.names=FALSE,sep="")
> 987-654-3 260
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