[R] ggpubr: order of non-numeric x-axis items

Deepayan Sarkar deep@y@n@@@rk@r @end|ng |rom gm@||@com
Sat Oct 26 17:55:32 CEST 2019


On Sat, Oct 26, 2019 at 8:22 PM Bert Gunter <bgunter.4567 using gmail.com> wrote:
>
> No. relevel() only changes the order in one specific way. Use `levels<-`()
> to reorder in a general way:
>
> > z <- factor(rep(letters[3:1],2))
> > z
> [1] c b a c b a
> Levels: a b c
> > z <-relevel(z, ref = "c")
> > z
> [1] c b a c b a
> Levels: c a b
> > levels(z)<- c("c","b","a")
> > z
> [1] c a b c a b
> Levels: c b a

No, that changes the data, not just the order of the levels; "b" and
"a" have been switched.

You need some version of

> factor(z, levels = c("c", "a", "b"))
[1] c b a c b a

See also ?reorder for a useful way of reordering the levels,
especially in plots.

-Deepayan

> Cheers,
> Bert
>
> Bert Gunter
>
> "The trouble with having an open mind is that people keep coming along and
> sticking things into it."
> -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )
>
>
> On Sat, Oct 26, 2019 at 6:09 AM Patrick (Malone Quantitative) <
> malone using malonequantitative.com> wrote:
>
> > Try using relevel() to organize the categories in your factor in the
> > desired order. You may need to use relevel(as.factor()) .
> >
> > On Sat, Oct 26, 2019 at 6:51 AM April Ettington
> > <aprilettington using gmail.com> wrote:
> > >
> > > Hi,
> > >
> > > When I use ggpubr with an x-axis utilizing descriptive categories (eg.
> > bar
> > > chart for different colors of car), it sorts all of the labels
> > > alphabetically.  Is there a way to change this so it shows in the order I
> > > want?
> > >
> > > Thanks,
> > >
> > > April
> > >
> > >         [[alternative HTML version deleted]]
> > >
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>
>         [[alternative HTML version deleted]]
>
> ______________________________________________
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