[R] Lines in dotchart & dotplot ?

[John Kane]

--- deepayan.sarkar at gmail.com wrote:

> On 6/9/07, John Kane <jrkrideau at yahoo.ca> wrote:
> > Is it possible to use dotchart or dotplot and set
> the
> > lines in such a way that they only extend from the
> > left y-axis to the data point?
> 
> Yes (sort of) in dotplot at least. E.g.,
> 
> dotplot(VADeaths, groups = FALSE, type = c("p",
> "h"))
> dotplot(VADeaths, groups = FALSE, type = c("p",
> "h"), origin = 0)
> 
> -Deepayan
> 

Ah, that is quite nice, not exactly what I remember
from Cleveland but it should do quite nicely.

  Thank you very much

> > I seem to remember that Wm Cleveland did this in
> his
> > 1985 book  "The elements of graphing data".
> >
> > In cases where one has a true starting or O point
> on
> > the x-scale this layout seems to be very effective
> in
> > displaying some data.
> >
> > I know that I can do it by simple ploting lines
> and
> > points but a more polished function than I am
> likely
> > to produce would be nice.
> >
> > Thanks