R help - Jan 2007 - split data set

I have a data(ABC) like this:

      x   y
A   3   4
A   1   3
B   2   6
B   4   8
C   5   4
C   6   7

I want to split this data into

A:
   x   y
A   3   4
A   1   3

B
B   2   6
B   4   8

C
C   5   4
C   6   7

anyone knows how to do that?

thanks,

Aimin Yan

Aimin Yan wrote:
> I have a data(ABC) like this:
> 
>       x   y
> A   3   4
> A   1   3
> B   2   6
> B   4   8
> C   5   4
> C   6   7
> 
> I want to split this data into
> 
> A:
>    x   y
> A   3   4
> A   1   3
> 
> B
> B   2   6
> B   4   8
> 
> C
> C   5   4
> C   6   7
> 
> anyone knows how to do that?
?split
> df <- data.frame(L = rep(c("A","B","C"),
each =2), x = runif(6),
y=runif(6))
> df
  L          x          y
1 A 0.57411628 0.01975706
2 A 0.21079282 0.62153084
3 B 0.46798592 0.97374423
4 B 0.08731642 0.33845989
5 C 0.08801709 0.93843814
6 C 0.54576658 0.26798882
> split(df, df$L)
$A
  L         x          y
1 A 0.5741163 0.01975706
2 A 0.2107928 0.62153084

$B
  L          x         y
3 B 0.46798592 0.9737442
4 B 0.08731642 0.3384599

$C
  L          x         y
5 C 0.08801709 0.9384381
6 C 0.54576658 0.2679888
> thanks,
> 
> Aimin Yan
> 
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http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
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> abc
  id x y
1  A 3 4
2  A 1 3
3  B 2 6
4  B 4 8
5  C 5 4
6  C 6 7
> split(abc, abc$id)
$A
  id x y
1  A 3 4
2  A 1 3

$B
  id x y
3  B 2 6
4  B 4 8

$C
  id x y
5  C 5 4
6  C 6 7


On 1/19/07, Aimin Yan <aiminy@iastate.edu> wrote:
>
> I have a data(ABC) like this:
>
>      x   y
> A   3   4
> A   1   3
> B   2   6
> B   4   8
> C   5   4
> C   6   7
>
> I want to split this data into
>
> A:
>   x   y
> A   3   4
> A   1   3
>
> B
> B   2   6
> B   4   8
>
> C
> C   5   4
> C   6   7
>
> anyone knows how to do that?
>
> thanks,
>
> Aimin Yan
>
> ______________________________________________
> R-help@stat.math.ethz.ch 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.
>


-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

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