[R] R-how to group the data

Kristel Joossens
Fri, 09 Dec 2005 12:28:28 -0000

Set Data the data frame of your data, it is straightforward to define x
and y by
R> x <- Data[Data$type=="x",-1]
R> y <- Data[Data$type=="y",-1]

Best regards,,
Kristel

Subhabrata wrote:
> Hello R - users,
>
> This may sound simple to may people:
>
> I have a list of data as follows
>
>      type value
>       y 7
>       y 7
>       y 8
>       y 8
>       y 8
>       y 9
>       y 9
>       y 9
>       y 9
>       y 10
>       y 10
>       y 10
>       y 10
>       y 11
>       y 11
>       y 12
>       y 12
>       y 14
>       y 14
>       y 14
>       y 15
>       y 17
>       y 20
>       y 20
>       y 20
>       y 20
>       y 25
>       y 25
>       y 25
>       x 7
>       x 7
>       x 8
>       x 8
>       x 9
>       x 9
>       x 11
>       x 11
>       x 11
>       x 12
>       x 12
>       x 12
>       x 13
>       x 13
>       x 15
>       x 15
>       x 15
>       x 18
>       x 20
>       x 30
>       x 30
>
> Is there any way where I can group all the x and y like
>
> a <- all the values of x
> b <- all the values of y
>
> so 'a' will  have = 7, 7, 8....
>     'b' = 7,7,8,8,8...
>
>
> With Regards
> Subhabrata Pal
>
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--
__________________________________________
Kristel Joossens        Ph.D. Student
Research Center ORSTAT  K.U. Leuven
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E-mail:  Kristel.Joossens at econ.kuleuven.be
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