The script I just sent was not _exactly_ the one I used to produce the error: Just erase all pdf() lines and substitute by one before the first histogram plotting. -- Andre Rabello DOS ANJOS, M.Sc. Signal Processing, Data Analysis and Computing Office: 32-2-A06, Tel: (+ 41 22) 767 5022 Fax: (+ 41 22) 767 8420 CERN - EP/HC Division CH-1211 Geneve 23 - Suisse/Switzerland http://cern.ch/rabello -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 232 bytes Desc: not available Url : https://stat.ethz.ch/pipermail/r-help/attachments/20020827/7975cdc3/attachment.bin