R help - Nov 2011 - read.table with double precision

Dear all I have a txt file with the following contents
1 50.7906430000000 6.06349800000000
2 50.7907380000000 6.06347100000000
3 50.7910810000000 6.06338000000000
4 50.7911890000000 6.06355200000000


I am usind read.table('myfile.txt',sep=" ")

which unfortunately returns only integers and not doubles that are required to
store the 

50.7906430000000

What can I do to force it to store things into doubles?

B.R
Alex

	[[alternative HTML version deleted]]

I'm having trouble replicating/understanding why that would happen since I
do it all the time. The only thing that raises a hint of suspicion is using the
blank space separator , but I'm pretty sure that's fine  What does str()
give? Possibly factors?

If you are sure that's happening as described, can you send a sample .txt (
won't get scrubbed) and your exact import code?

Michael

On Nov 17, 2011, at 11:49 AM, Alaios <alaios at yahoo.com> wrote:
> Dear all I have a txt file with the following contents
> 1 50.7906430000000 6.06349800000000
> 2 50.7907380000000 6.06347100000000
> 3 50.7910810000000 6.06338000000000
> 4 50.7911890000000 6.06355200000000
> 
> 
> I am usind read.table('myfile.txt',sep=" ")
> 
> which unfortunately returns only integers and not doubles that are required
to store the?
> 
> 50.7906430000000
> 
> What can I do to force it to store things into doubles?
> 
> B.R
> Alex
> 
>    [[alternative HTML version deleted]]
> 
> ______________________________________________
> R-help at r-project.org 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.

Hi,

On Thu, Nov 17, 2011 at 11:49 AM, Alaios <alaios at yahoo.com>
wrote:
> Dear all I have a txt file with the following contents
> 1 50.7906430000000 6.06349800000000
> 2 50.7907380000000 6.06347100000000
> 3 50.7910810000000 6.06338000000000
> 4 50.7911890000000 6.06355200000000
>
>
> I am usind read.table('myfile.txt',sep=" ")
>
> which unfortunately returns only integers and not doubles that are required
to store the
>
> 50.7906430000000
Using that exact file you included? If so, then I suspect you are
confusing display and storage, though even then my default session
doesn't show integers.

How do you know that it is returning only integers? What is
options()$digits set to?
> myfile
  V1        V2       V3
1  1 50.790643 6.063498
2  2 50.790738 6.063471
3  3 50.791081 6.063380
4  4 50.791189 6.063552
> sprintf("%2.10f", myfile[1,2])
[1] "50.7906430000"

> What can I do to force it to store things into doubles?
What is str(myfile) ?

Sarah


-- 
Sarah Goslee
http://www.functionaldiversity.org