Here are some examples of using ggplot2 and kdb+ together to produce some simple graphs of data stored in kdb+. I am using the qserver extension for R (http://code.kx.com/wsvn/code/cookbook_code/r/) to connect to a running kdb+ instance from within R.
First, lets create a dummy data set: a set of evenly-spaced timestamps and a random walk price series:
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Plotting Tick Data with ggplot2.pdf
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