[R] Reading in tab (and space) delimited data within a script XXXX
R. Michael Weylandt
michael.weylandt at gmail.com
Thu Jan 19 17:45:54 CET 2012
Simply change the sep = "," argument of read table: " " for a space
and "\t" for a tab. E.g., read.table(text = data3, sep = " ", header =
TRUE)
Take a look at ?read.table for more info about the sep argument (In
particular the special behavior of the default sep = "")
Thanks for the well-posed question and working data.
Michael
On Thu, Jan 19, 2012 at 11:37 AM, Dan Abner <dan.abner99 at gmail.com> wrote:
> Hello everyone,
>
> I use Bob Muenchen's approach for reading in "in-stream" (to use SAS
> parlance) delimited data within a script. This works great:
>
>
> mystring <-
> "id,workshop,gender,q1,q2,q3,q4
> 1,1,f,1,1,5,1
> 2,2,f,2,1,4,1
> 3,1,f,2,2,4,3
> 4,2, ,3,1, ,3
> 5,1,m,4,5,2,4
> 6,2,m,5,4,5,5
> 7,1,m,5,3,4,4
> 8,2,m,4,5,5,5"
>
> mydata <- read.table( textConnection(mystring),
> header=TRUE, sep=",",
> row.names="id", na.strings=" ")
> closeAllConnections()
> mydata
>
> Can anyone suggest a similar approach for reading in tab-delimited or
> single space delimited data? Example data:
>
> data3<-
> "OBSNO AGE SEX ALKPHOS LAB CAMMOL PHOSMMOL AGEGROUP
> 21 76 M 84 5 3.2 0.9 3
> 22 76 M 5 2.18 0.84 3
> 23 68 M 82 5 2.15 0.52 1
> 24 69 M 84 5 2.3 1.36 1
> 25 76 F 100 3 25.3 1.07 3
> 26 70 F 90 3 20 0.97 2
> 27 71 F 109 3 22.3 0.94 2
> 28 70 -99 65 3 24.3 1.42 2
> 29 74 F 61 3 25 0.87 2
> 30 74 F 62 3 23.3 0.94 2"
>
> Thanks!
>
> Dan
>
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>
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