I've also changed the f() function, i.e.,
f <- function(x){list(1:max(x[1], 4))}
I hope it'll work now.
Best,
Dimitris
----
Dimitris Rizopoulos
Ph.D. Student
Biostatistical Centre
School of Public Health
Catholic University of Leuven
Address: Kapucijnenvoer 35, Leuven, Belgium
Tel: +32/(0)16/336899
Fax: +32/(0)16/337015
Web: http://www.med.kuleuven.be/biostat/
http://www.student.kuleuven.be/~m0390867/dimitris.htm
----- Original Message -----
From: "Robin Hankin" <[EMAIL PROTECTED]>
To: "Dimitris Rizopoulos" <[EMAIL PROTECTED]>
Cc: "Robin Hankin" <[EMAIL PROTECTED]>;
<[email protected]>
Sent: Monday, November 21, 2005 9:40 AM
Subject: Re: [R] force apply() to return a list
> Hi Dimitris
>
>
> On 21 Nov 2005, at 08:37, Dimitris Rizopoulos wrote:
>> out <- lapply(apply(a2, 1, f), "[[", 1)
>
>
> thanks for this, but it doesn't quite do what I want:
>
>
> > f <- function(x){1:max(x[1],4)}
> > lapply(apply(cbind(1:5,5:1), 1, f), "[[", 1)
> [[1]]
> [1] 1
>
> [[2]]
> [1] 1
>
> [[3]]
> [1] 1
>
> [[4]]
> [1] 1
>
> [[5]]
> [1] 1
>
> >
>
> I want
>
>> [[1]]
>> [1] 1 2 3 4
>>
>> [[2]]
>> [1] 1 2 3 4
>>
>> [[3]]
>> [1] 1 2 3 4
>>
>> [[4]]
>> [1] 1 2 3 4
>>
>> [[5]]
>> [1] 1 2 3 4 5
>
>
>
> best wishes
>
> Robin
>
>
>
>
> --
> Robin Hankin
> Uncertainty Analyst
> National Oceanography Centre, Southampton
> European Way, Southampton SO14 3ZH, UK
> tel 023-8059-7743
>
Disclaimer: http://www.kuleuven.be/cwis/email_disclaimer.htm
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