[R] logical 'or' on list of vectors

[Tim Bergsma]

Thanks all for the many excellent suggestions!

!complete.cases(Theoph) is probably the most succinct form for the 
current problem, while the examples with 'any' seem readily adaptable to 
similar situations.

Kind regards,

Tim.

Dimitris Rizopoulos wrote:
> try the following:
> 
> as.logical(rowSums(is.na(Theoph)))
> ## or
> !complete.cases(Theoph)
> 
> 
> I hope it helps.
> 
> 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: "Tim Bergsma" <timb at metrumrg.com>
> To: <r-help at stat.math.ethz.ch>
> Sent: Friday, June 08, 2007 2:57 PM
> Subject: [R] logical 'or' on list of vectors
> 
> 
>> Suppose I have a list of logicals, such as returned by lapply:
>>
>> Theoph$Dose[1] <- NA
>> Theoph$Time[2] <- NA
>> Theoph$conc[3] <- NA
>> lapply(Theoph,is.na)
>>
>> Is there a direct way to execute logical "or" across all vectors? The
>> following gives the desired result, but seems unnecessarily complex.
>>
>> as.logical(apply(do.call("rbind",lapply(Theoph,is.na)),2,"sum"))
>>
>> Regards,
>>
>> Tim
>>
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