Hi:
It seems to me that num1 is a nested factor within ESHKOL_tert. With that in
mind, I redefined the two terms to be factors and redid Josh's plot as
follows:
dat3 <- dat2
dat3 <- transform(dat3, num1 = factor(num1), ESHKOL_tert =
factor(ESHKOL_tert))
ggplot(data = dat3, aes(x = value, y = num1)) +
geom_point() +
facet_grid(ESHKOL_tert ~ ., scales = "free")
This yields a different appearance, showing that most of the num1 levels are
in ESHKOL_tert 2, but the concept is the same. I like how ggplot2 'knows'
about the nesting relationship. To see this, go into the original data frame
dat and type
with(dat, table(num1, ESHKOL_tert))
If you find that the values on the y-axis overlap each other, add (+) the
following line to your ggplot() code:
opts(axis.text.y = theme_text(size = 7))
If it's too large, lower the number, and vice versa.
HTH,
Dennis
On Sun, Sep 19, 2010 at 2:21 PM, avsha38 <avsha...@post.tau.ac.il> wrote:
>
> Hi Josh
>
> Wow, I greatly appreciate you taking the time to help out. It works
> excellent!!!
> I am just a beginner with R; thanks a lot for your books recommendation, I
> will be using them.
>
> If I may ask you, I have about 300 records in the full file and once I ran
> the code with the full file,
> The values on the Y axis are not showing properly, as they overlap each
> other.
> Do you have any suggestion for solving that?
>
> Thanks again,
> Avi
>
> --
> View this message in context:
> http://r.789695.n4.nabble.com/Create-Dot-Chart-tp2545921p2546250.html
> Sent from the R help mailing list archive at Nabble.com.
>
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