[R] logical 'or' on list of vectors

Dimitris Rizopoulos dimitris.rizopoulos at med.kuleuven.be
Fri Jun 8 15:35:46 CEST 2007


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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