[R] How to create list of objects?

[Rainer M Krug]

Thanks everybody - it's working

Rainer

Dimitris Rizopoulos wrote:
> try something like:
> 
> lapply(f, summary)
> sapply(f, function(x) AIC(logLik(x)))
> 
> 
> 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://med.kuleuven.be/biostat/
>      http://www.student.kuleuven.be/~m0390867/dimitris.htm
> 
> 
> ----- Original Message ----- 
> From: "Rainer M Krug" <rkrug at sun.ac.za>
> To: "R help list" <r-help at stat.math.ethz.ch>
> Sent: Tuesday, June 06, 2006 4:38 PM
> Subject: [R] How to create list of objects?
> 
> 
>> Hi
>>
>> I am doing several mle and want to store them in a list (or whatever 
>> is
>> the right construct) to be able to analyse them later.
>>
>> at the moment I am doing:
>>
>> f <- list()
>> f$IP <- mle(...)
>> f$NE <- mle(...)
>>
>> but when I say:
>>> summary(f)
>> I get:
>>
>>     Length Class Mode
>> IP   0      mle   list
>> NE   0      mle   list
>>
>> I don't get the output I would have, i.e. the one from
>>> summary(f$IP)
>> summary(f$IP)
>> Maximum likelihood estimation
>>
>> Call:
>> mle(minuslogl = IPNeglogPoisL, method = "L-BFGS-B", fixed = list(),
>>    control = list(maxit = 1e+08, factr = 1e-20))
>>
>> Coefficients:
>>      Estimate  Std. Error
>> a 1242.0185506 44.92341097
>> b    0.8802538  0.01685811
>>
>> -2 log L: 145.3509
>>
>>
>> What I want to do is something like:
>>
>> AICs <- AIC(logLik(f))
>>
>> and then have all the AICs in the vector AICs.
>>
>> It must be possible or is this again a namespace issue?
>>
>> Rainer
>>
>> -- 
>> Rainer M. Krug, Dipl. Phys. (Germany), MSc Conservation
>> Biology (UCT)
>>
>> Department of Conservation Ecology and Entomology
>> University of Stellenbosch
>> Matieland 7602
>> South Africa
>>
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>>
> 
> 
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-- 
Rainer M. Krug, Dipl. Phys. (Germany), MSc Conservation
Biology (UCT)

Department of Conservation Ecology and Entomology
University of Stellenbosch
Matieland 7602
South Africa

Tel:		+27 - (0)72 808 2975 (w)
Fax:		+27 - (0)21 808 3304
Cell:		+27 - (0)83 9479 042

email:	RKrug at sun.ac.za
      	Rainer at krugs.de