[R] Put names in the elements of lapply result

[Eik Vettorazzi]

yes, it is possible using sapply
sapply(c('EMAX','EC50','KOUT','GAMMA'),function(x)confint(lm(get(x)~RR0,dataset2)),USE.NAMES=T,simplify=F)

hth.

Am 27.05.2011 16:58, schrieb Jun Shen:
> Hi, Jonathan,
> 
> It surely worked. I was only thinking how to do it within lapply and didn't
> look at the problem outside the box? Thanks.
> 
> Jun
> 
> On Fri, May 27, 2011 at 9:47 AM, Jonathan Daily <biomathjdaily at gmail.com>wrote:
> 
>> Does this work for you?
>>
>> dat <-
>> lapply(c('EMAX','EC50','KOUT','GAMMA'),function(x)confint(lm(get(x)~RR0,dataset2)))
>> names(dat) <- c('EMAX','EC50','KOUT','GAMMA')
>>
>> On Fri, May 27, 2011 at 10:03 AM, Jun Shen <jun.shen.ut at gmail.com> wrote:
>>> Dear list,
>>>
>>> I am running some linear regressions through lapply,
>>>
>>
>>>> lapply(c('EMAX','EC50','KOUT','GAMMA'),function(x)confint(lm(get(x)~RR0,dataset2)))
>>>
>>> I got results like
>>>
>>> [[1]]
>>>                    2.5 %       97.5 %
>>> (Intercept)  0.6595789212 0.8821691261
>>> RR0         -0.0001801771 0.0001489083
>>>
>>> [[2]]
>>>                   2.5 %     97.5 %
>>> (Intercept) -63.83694930 76.5489503
>>> RR0          -0.01515098  0.1924006
>>>
>>> [[3]]
>>>                   2.5 %       97.5 %
>>> (Intercept)  3.387021548 5.3828732564
>>> RR0         -0.002202969 0.0007477704
>>>
>>> [[4]]
>>>                  2.5 %      97.5 %
>>> (Intercept) -7.75121986 15.20827567
>>> RR0         -0.01174097  0.02220318
>>>
>>> How do I put names into the lapply results, something like
>>>
>>> 'EMAX'
>>>                    2.5 %       97.5 %
>>> (Intercept)  0.6595789212 0.8821691261
>>> RR0         -0.0001801771 0.0001489083
>>>
>>> 'EC50'
>>>                   2.5 %     97.5 %
>>> (Intercept) -63.83694930 76.5489503
>>> RR0          -0.01515098  0.1924006
>>>
>>> 'KOUT'
>>>                   2.5 %       97.5 %
>>> (Intercept)  3.387021548 5.3828732564
>>> RR0         -0.002202969 0.0007477704
>>>
>>> 'GAMMA'
>>>                  2.5 %      97.5 %
>>> (Intercept) -7.75121986 15.20827567
>>> RR0         -0.01174097  0.02220318
>>>
>>>
>>> Thanks a lot.
>>>
>>> Jun Shen
>>> =========================================================
>>> structure(list(ID = c(50, 51, 52, 53, 55, 56, 57, 59, 60, 61,
>>> 100, 101, 104, 107, 108, 110, 112, 114), KOUT = c(3.8336, 3.7519,
>>> 3.7136, 3.3477, 4.9429, 4.495, 3.4988, 3.7722, 3.6962, 4.1295,
>>> 3.7326, 3.1477, 4.0665, 4.9775, 3.9306, 4.1424, 2.4429, 4.9216
>>> ), RR0 = c(375.05, 399.72, 361.12, 603.08, 604.01, 474.13, 1051.9,
>>> 924.9, 576.37, 745.75, 736.03, 757.49, 417.78, 437.7, 477.02,
>>> 1063, 813.8, 706.52), EMAX = c(0.7075, 0.73029, 0.72402, 0.70303,
>>> 0.70725, 0.83351, 0.71868, 0.69435, 0.74215, 0.67479, 0.87452,
>>> 0.68746, 0.75182, 0.83598, 0.80434, 0.7556, 0.87361, 0.87664),
>>>    EC50 = c(19.813, 17.438, 17.969, 23.253, 17.761, 29.409,
>>>    46.527, 48.845, 42.641, 47.584, 50.216, 89.968, 94.194, 80.707,
>>>    126.39, 172.23, 159.94, 50.957), GAMMA = c(3.9114, 2.0886,
>>>    4.687, 1.9983, 33.763, 3.1611, 3.8281, 8.3482, 2.4175, 5.9436,
>>>    2.821, 5.7756, 6.2762, 3.9233, 6.298, 10.219, 11.412, 10.532
>>>    ), DV = c(391.5, 410.5, 336.5, 586.5, 469.5, 490, 982.5,
>>>    910.5, 631.5, 711.5, 850.5, 706.5, 414, 469.5, 496.5, 1116.5,
>>>    889, 772.5)), .Names = c("ID", "KOUT", "RR0", "EMAX", "EC50",
>>> "GAMMA", "DV"), row.names = c(NA, -18L), class = "data.frame")->dataset2
>>>
>>>        [[alternative HTML version deleted]]
>>>
>>> ______________________________________________
>>> R-help at r-project.org mailing list
>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>>> and provide commented, minimal, self-contained, reproducible code.
>>>
>>
>>
>>
>> --
>> ===============================================
>> Jon Daily
>> Technician
>> ===============================================
>> #!/usr/bin/env outside
>> # It's great, trust me.
>>
> 
> 	[[alternative HTML version deleted]]
> 
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.

-- 
Eik Vettorazzi
Institut für Medizinische Biometrie und Epidemiologie
Universitätsklinikum Hamburg-Eppendorf

Martinistr. 52
20246 Hamburg

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