Hi
look at str(aggr)
I bet you will find that your first column is factor and lines you see are from
making a boxplot with your plot command.
You can change it by various ways but I would prefer to change factor to
numeric, which requires some regular expression.
Here is one but I believe that other experts can come with easier one.
dat <- gsub("^.*([[:digit:]]{2}),([[:digit:]]*).*$", "\\1",
aggr$child65$decedad)
Then plot
plot(dat, aggr[,2])
shall produce points.
Another option can be
plot(as.numeric(aggr[,1], aggr[,2], axes=FALSE)
and then you need to ad axes labels, see ?axis
Regards
Petr
> -----Original Message-----
> From: r-help-boun...@r-project.org [mailto:r-help-bounces@r-
> project.org] On Behalf Of Vivek Das
> Sent: Friday, September 12, 2014 10:50 AM
> To: Angel Rodriguez
> Cc: R help
> Subject: Re: [R] Lines instead of points in a scatterplot
>
> HI,
>
> Try to change with
>
> plot(aggr, type="l")
>
> see what happens?
>
> This should work
>
> ----------------------------------------------------------
>
> Vivek Das
>
>
> On Fri, Sep 12, 2014 at 10:32 AM, Angel Rodriguez <
> angel.rodrig...@matiainstituto.net> wrote:
>
> >
> >
> > Dear subscribers,
> >
> > I have the following dataframe:
> >
> > > aggr
> > child65$decedad logit
> > 1 [65,67) 0.00000000
> > 10 67 0.00000000
> > 2 [68,70) -0.06669137
> > 3 [70,72) -0.71294981
> > 4 [72,74) -0.59783700
> > 5 [74,77) -1.08334482
> > 6 [77,79) -1.88273125
> > 7 [79,81) -1.21924028
> > 8 [81,84) -1.94591015
> > 9 [84,98] -1.65822808
> >
> > When I write:
> >
> > > plot(aggr)
> >
> > I get the correct scatterplot, but points are substituted by
> > horizontal lines. I prefer points.
> >
> > If I write:
> >
> > > plot(aggr, pch=1)
> >
> > nothing changes
> >
> > > plot(aggr[,1],aggr[,2])
> >
> > nothing changes
> >
> > > plot(aggr, type="p")
> >
> > nothing changes
> >
> >
> > Any idea?
> >
> > Best regards,
> >
> > Angel Rodríguez-Laso
> >
> > [[alternative HTML version deleted]]
> >
> >
> > ______________________________________________
> > R-help@r-project.org mailing list
> > 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@r-project.org mailing list
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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.
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