Re: [R] logical 'or' on list of vectors

From: Sundar Dorai-Raj <sundar.dorai-raj_at_pdf.com>
Date: Fri, 08 Jun 2007 06:33:29 -0700

Tim Bergsma said the following on 6/8/2007 5:57 AM:
> 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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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.

How about:

apply(sapply(Theoph, is.na), 1, any)

HTH, --sundar



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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. Received on Fri 08 Jun 2007 - 13:44:05 GMT

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