[R] Alternative to "apply" in R 3.2.2

Ista Zahn
Fri, 11 Nov 2016 23:37:00 -0000

What makes you think " apply' does not work in R 3.2.2"?

On Nov 11, 2016 6:24 PM, "Olu Ola via R-help" <r-help at
r-project.org> wrote:

> Hello,I quite understand that apply is doing what it is supposed to do. I
> actually found that example online. However, "apply" package is
not
> compatible with R 3.2.2 and as a result, I could not use the code. That is
> why I am asking for an alternative to "apply" that can be used to
do the
> same thing.
> Regards
>
>     On Friday, November 11, 2016 4:08 PM, "MacQueen, Don" <
> macqueen1 at llnl.gov> wrote:
>
>
>  Df.1$D looks correct to me. For example, in the third row, 7*2=14 is
> correct with the NA removed.
>
> -Don
>
> --
> Don MacQueen
>
> Lawrence Livermore National Laboratory
> 7000 East Ave., L-627
> Livermore, CA 94550
> 925-423-1062
>
>
>
>
>
> On 11/11/16, 12:45 PM, "R-help on behalf of Olu Ola via R-help"
> <r-help-bounces at r-project.org on behalf of r-help at
r-project.org> wrote:
>
> > Hello,I have a dataset that is similar to the one as follows:
> >
> >> Df.1 <- data.frame(A = c(5,4,7,6,8,4),B >
>>(c(1,5,2,4,9,1)),C=(c(2,3,NA,5,NA,9)))
> >> Df.1
> >  A B  C
> >1 5 1  2
> >2 4 5  3
> >3 7 2 NA
> >4 6 4  5
> >5 8 9 NA
> >6 4 1  9
> >> Df.1$D = apply(Df.1, 1, prod, na.rm=T)
> >> Df.1$D[1]  10  60  14 120  72  36
> >> Df.1
> >  A B  C  D
> >1 5 1  2  10
> >2 4 5  3  60
> >3 7 2 NA  14
> >4 6 4  5 120
> >5 8 9 NA  72
> >6 4 1  9  36I intend to obtain a column D that takes into account
na.rm=T
> >but 'apply' does not work in R 3.2.2
> >
> >A way forward will be greatly appreciated.
> >
> >    [[alternative HTML version deleted]]
> >
> >______________________________________________
> >R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> >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.
>
>
>
>         [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
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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.