[R] scatter plot with 1 standard deviation for each point

[hadley wickham]

> Could anyone give suggestions how to plot a scatter plot with 1 standard
> deviation for each point. To make it clearer, here is a simple example: the
> scatterplot is plot(X, Y), but I want to add 1 standard deviation according
> to the value of Z for each Y.

You can do this with ggplot2 with the following command:

qplot(X, Y, data = df, geom="pointrange", min = Y - Z, max = Y + Z)

You can see a few variations at http://had.co.nz/ggplot2/geom_linerange.html

Hadley


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