On Mar 14, 2012, at 11:33 AM, Michael wrote:
How to use ggplot to do the binned quantile plots(one type of
scatter plot)?
More like a quantile regression plot.
Hi all,
I have done scatter plot: plot(x, y).
Now I wanted to do binned quantile plots... can ggplot2 help me?
For example, we bin x data into 10 bins.
For each bin, we draw the 10 deciles of the corresponding y data in
that
bin as points/dots.
And then accross all bins, we would like to connect the corresponding
decile points/dots together(something like equi-quantile or equi-
decile
curves)...
How do I do that in R or ggplot2? Is there an existing function/
command
that can do this?
I'm not aware of it if there is. But I agree that it can be a very
informative display of data. I do such plots on data structures
generated using tapply with age, sex categories and quantile() to
generate a value. It gets kind of hairy with the list structure that
results but if you have a more simple data situation it will probably
be more straightforward, and you should post it.
[[alternative HTML version deleted]]
And you should learn to post in plain text
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
And you should read the Posting Guide.
and provide commented, minimal, self-contained, reproducible code.
And I already said that.
--
David Winsemius, MD
West Hartford, CT
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