[R] Lattice plot problem outputting to jpeg

Hi.I am relatively new to R but was quite pleased with myself at having generated a series of lattice plots as PDFs. I was very surprised when plotting these out as jpegs (or png or tiff) that the strip title information above each lattice plot vanished. The pdf was fine. Has anybody any

Re: [R] Lattice plot problem outputting to jpeg

Thanks David...I am trying to plot out data for various consultants by specialty - each specialty has a varying number of consultants - each consultant a varying number of data pointsI found direct access of the elements of the dataframe was the only way to plot this type of variation,