Yes, Thanks!

-Lauri

2008/10/1 Dimitris Rizopoulos <d.rizopoulos@erasmusmc.nl>

> one way is the following:
>
> df <- data.frame(month = as.character(rep(1:3, each = 30)), fac =
> factor(rep(1:2, each = 15)), data1 = round(runif(90), 2), data2 =
> round(runif(90), 2))
>
> lapply(split(df, df$month), function(x) split(x, x$fac))
>
>
> I hope it helps.
>
> Best,
> Dimitris
>
>
> Lauri Nikkinen wrote:
>
>>  R users,
>>
>> I would like to split this df by month and fac and produce list of
>> sublists
>>
>> df <-
>> data.frame(month=as.character(rep(1:3,each=30)),fac=factor(rep(1:2,each=15)),
>>            data1=round(runif(90),2),
>>            data2=round(runif(90),2))
>>
>> This
>>
>> split(df, paste(df$month, df$fac))
>>
>> produces just a single list. Any ideas?
>>
>> Many thanks,
>> Lauri
>>
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>> and provide commented, minimal, self-contained, reproducible code.
>>
>>
> --
> Dimitris Rizopoulos
> Assistant Professor
> Department of Biostatistics
> Erasmus Medical Center
>
> Address: PO Box 2040, 3000 CA Rotterdam, the Netherlands
> Tel: +31/(0)10/7043478
> Fax: +31/(0)10/7043014
>
>

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