con2tr  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  | 
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.
    Copyright (©) 1999–2012 R Foundation for Statistical Computing.
Licensed under the GNU General Public License.