thank you so much :)


On Sun, Aug 25, 2013 at 7:48 AM, arun kirshna [via R] <
ml-node+s789695n4674466h20@n4.nabble.com> wrote:

>
>
> Hi,
> Try this:
>
> sapply(lst1,function(x) with(x,cor(CF,OSA)))
> #      2231       2232       2233
> #-0.9607689 -1.0000000  0.9973233
> #or
> library(plyr)
>  ddply(dat1,.(BaseProd),summarize,Cor=cor(CF,OSA))
> #  BaseProd        Cor
> #1     2231 -0.9607689
> #2     2232 -1.0000000
> #3     2233  0.9973233
>
> #or
>  library(data.table)
>  dt1<- data.table(dat1)
>  dt1[,cor(CF,OSA),by=BaseProd]
> #   BaseProd         V1
> #1:     2231 -0.9607689
> #2:     2232 -1.0000000
> #3:     2233  0.9973233
>
>
> A.K.
>
>
>
> I forget to add one more thing...sorry for that..
> after dividing the data, I have to find the correlation between CF
> and OSA for each base product....Please tell me now how to do this thing
>
>
> ----- Original Message -----
> From: arun <[hidden email]<http://user/SendEmail.jtp?type=node&node=4674466&i=0>>
>
> To: R help <[hidden email]<http://user/SendEmail.jtp?type=node&node=4674466&i=1>>
>
> Cc:
> Sent: Saturday, August 24, 2013 11:44 AM
> Subject: Re: Divide the data into sub data on a particular condition
>
> Hi,
> Use ?split()
> #dat1 is the dataset:
> lst1<- split(dat1,dat1$BaseProd)
> lst1
> #$`2231`
>  # BaseProd  CF OSA
> #1     2231 0.5 0.7
> #2     2231 0.8 0.6
> #3     2231 0.4 0.8
> #
> #$`2232`
>  # BaseProd CF OSA
> #4     2232  1   2
> #5     2232  3   1
> #
> #$`2233`
>  # BaseProd  CF OSA
> #6     2233 0.9 0.5
> #7     2233 0.7 0.5
> #8     2233 4.0 5.0
> #9     2233 5.0 7.0
>
>
> lst1[[1]]
> #  BaseProd  CF OSA
> #1     2231 0.5 0.7
> #2     2231 0.8 0.6
> #3     2231 0.4 0.8
> A.K.
>
>
>
> Hi,
> I am totally new to R. I am facing the following problem:
> I have data of the following form
>
> BaseProd  CF  OSA
> 2231            0.5   0.7
> 2231            0.8   0.6
> 2231            0.4   0.8
> 2232            1        2
> 2232            3         1
> 2233            0.9     0.5
> 2233            0.7    0.5
> 2233           4           5
> 2233           5           7
>
> I want to divide the data so that the data get divided on the basis of
> base product.
> like:
> data1
>
> BaseProd  CF  OSA
> 2231            0.5   0.7
> 2231            0.8   0.6
> 2231            0.4   0.8
>
> data2
> BaseProd  CF  OSA
> 2232            1        2
> 2232            3         1
>
> data3
> BaseProd  CF  OSA
> 2233            0.9     0.5
> 2233            0.7    0.5
> 2233           4           5
> 2233           5           7
>
> Please help me ... Its very important and please reply ASAP
>
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>
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-- 
Shilpa Rai
MSc.(2011-2013)
Applied Statistics and Informatics
Indian Institute of Technology,Bombay




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