con2tr                 package:MASS                 R Documentation

Convert Lists to Data Frames for use by Lattice

Description:

     Convert lists to data frames for use by lattice.

Usage:

     con2tr(obj)

Arguments:

     obj: A list of components 'x', 'y' and 'z' as passed to 'contour'. 

Details:

     'con2tr' repeats the 'x' and 'y' components suitably to match the
     vector 'z'.

Value:

     A data frame suitable for passing to lattice (formerly trellis)
     functions.

References:

     Venables, W. N. and Ripley, B. D. (2002) _Modern Applied
     Statistics with S._ Fourth edition.  Springer.

