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2004 Feb 08
2
substitute, eval, quote and functions
Hi,
i am working with large data frames with many dependend variables. I
want to write some functions that will allow me to quickly select
variables from the frame and plot them in various colors depending on
factor columns, possibly selecting rows according to factor conditions.
In order to do this in a nice function, i need to understand how to work
with a column name in the body of a