[R] Accessor functions in lattice graphics

[Frank Harrell]

I know about the current.row, current.column, and panel.number functions that
are useful within panel functions written for lattice.  Are there easy ways
to obtain the names of the conditioning variables (those appearing after |)
and their values for the current panel?
Thanks
Frank

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Frank Harrell
Department of Biostatistics, Vanderbilt University
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