[R] if else statement adjustemtn

Jim Lemon drj|m|emon @end|ng |rom gm@||@com
Sat Jun 13 05:29:17 CEST 2020


Since you have only a few troublesome NA values, if you look at them,
or even better, post them:

b[is.na(b$FLASER) | is.na(b$PLASER),]

perhaps we can work out the appropriate logic to get rid of only the
ones you don't want.

Jim

On Sat, Jun 13, 2020 at 12:50 PM Ana Marija <sokovic.anamarija using gmail.com> wrote:
>
> Hi Rasmus,
>
> thank you for getting back to be, the command your provided seems to
> add all 11 NAs to 2s
> > b$pheno <-
> +           ifelse(b$PLASER==2 |
> +                  b$FLASER==2 |
> +                  is.na(b$PLASER) |
> +                  is.na(b$PLASER) & b$FLASER %in% 1:2 |
> +                  is.na(b$FLASER) & b$PLASER == 2,
> +                  2, 1)
> >         table(b$pheno, exclude = NULL)
>
>   1   2
> 859 839
>
> Once again my desired results is to keep these 7 NAs as NAs
> > table(b$PLASER,b$FLASER, exclude = NULL)
>
>          1   2   3 <NA>
>   1    836  14   0    0
>   2    691  70  43    2
>   3      2   7  21    0
>   <NA>   4   1   0    7
>
> and have
> 825 2s (825=691+14+70+7+43)
> and the rest would be 1s (866=1698-7-825)
>
> On Fri, Jun 12, 2020 at 9:29 PM Rasmus Liland <jral using posteo.no> wrote:
> >
> > On 2020-06-13 11:30 +1000, Jim Lemon wrote:
> > > On Fri, Jun 12, 2020 at 8:06 PM Jim Lemon wrote:
> > > > On Sat, Jun 13, 2020 at 10:46 AM Ana Marija wrote:
> > > > >
> > > > > I am trying to make a new column
> > > > > "pheno" so that I reduce the number
> > > > > of NAs
> > > >
> > > > it looks like those two NA values in
> > > > PLASER are the ones you want to drop.
> > >
> > > From just your summary table, it's hard to
> > > guess the distribution of NA values.
> >
> > Dear Ana,
> >
> > This small sample
> >
> >         b <- read.table(text="FLASER;PLASER
> >         1;2
> >         ;2
> >         ;
> >         1;
> >         2;
> >         2;2
> >         3;2
> >         3;3
> >         1;1", sep=";", header=TRUE)
> >
> >         table(b$PLASER,b$FLASER, exclude = NULL)
> >
> > yields the same combinations you showed
> > earlier:
> >
> >                1 2 3 <NA>
> >           1    1 0 0    0
> >           2    1 1 1    1
> >           3    0 0 1    0
> >           <NA> 1 1 0    1
> >
> > If you want to eliminate the four <NA>-based
> > combinations completely, this line
> >
> >         b$pheno <-
> >           ifelse(b$PLASER==2 |
> >                  b$FLASER==2 |
> >                  is.na(b$PLASER) |
> >                  is.na(b$PLASER) & b$FLASER %in% 1:2 |
> >                  is.na(b$FLASER) & b$PLASER == 2,
> >                  2, 1)
> >         table(b$pheno, exclude = NULL)
> >
> > will do it:
> >
> >         1 2
> >         2 7
> >
> > Best,
> > Rasmus
> > ______________________________________________
> > R-help using 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.
>
> ______________________________________________
> R-help using 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.



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