I've just noticed that the border elements plot produced by QCReport() does not use log2(intensities), is this correct, or should it really be using the log2 values instead? Cheers, Nathan ------------------------------------------------------------- Dr. Nathan S. Watson-Haigh (publish under Haigh, N.S.) OCE Post Doctoral Fellow CSIRO Livestock Industries J M Rendel Laboratory Rockhampton QLD 4701 Tel: +61 (0)7 4923 8121 Australia Fax: +61 (0)7 4923 8222 ------------------------------------------------------------- [[alternative HTML version deleted]]