All, I have been trying to get calls to hist(...) to be plotted with the y-axis having a log scale. I have tried: par(ylog=TRUE) I have also looked at the histogram package. Suggestions welcome. -- Derek M. Jones tel: +44 (0) 1252 520 667 Knowledge Software Ltd mailto:derek at knosof.co.uk Source code analysis http://www.knosof.co.uk