[R] A weird observation from using read.table

[Bartjoosen]

Take a look at ?scan.

There is an explanation for the doubling of the string

Bart



Jun Ding wrote:
> 
> Hi Everyone, 
> 
> Recently I got puzzled by the function read.table,
> even though I have used it for a long time. 
> 
> I have such a file (tmp.txt, 2 rows and 3 columns,
> with a space among columns):
> 
> 1 2'-PDE 4
> 2 3'-PDE 5
> 
> if I do:
> a = read.table("tmp.txt", header = F, quote = "")
> a
>   V1     V2 V3
> 1  1 2'-PDE  4
> 2  2 3'-PDE  5
> 
> Everything is fine. 
> 
> However, if I do:
> a = read.table("tmp.txt", header = F)
> a
>   V1     V2 V3
> 1  2 3'-PDE  5
> 2  1 2'-PDE  4
> 3  2 3'-PDE  5
> 
> I know it is related to the "quote" as the default
> includes '. But how can it get one more row in the
> file? Thank you very much for your help in advance!
> 
> Jun
> 
> ______________________________________________
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> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
> 
> 

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