Dave I used several tools when i looked at EDM crater depth vs joules of energy applied these were all linear regression tools
but first it was easier for me to work inside the framework of a spreadsheet with the xy data pairs plotted, then analyzed maybe this will help use openOffice Calc and your choice of curve fit tools try this one fer instance http://oooconv.free.fr/fitoo/fitoo_en.html ( dem french guys sure is good at math ;) tomp ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers