Looking for advice on LD50/ED50 calculation with JMP
Hi JMP users,
I've tried to figure this out but the statistics guide is vague enough that I can't quite get to the answer that I need to make this work.
I'm trying to get JMP to work for computing LD50 values based on observed mortality proportions.
The documentation and routines in JMP seems to rely on a logistic regression and imply that inverse prediction at 0.5 will yield an LD50. The problem is...