Some experimentation for plausible ranges of FACTOR values strongly suggests that this computation should be done with an appropriate mean in each specific context. My suggestion of a table was thus a more valuable one than I realized when I made it.
John Gilmore, Ashland, MA 01721 - USA ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN

