Hello/Salam Everyone,
I'm using GraphPad prism to calculate the IC50 of some drugs in cancer cell line and impact of drug B on the IC50s of these drugs. As per my calculation method, to conduct non-linear regression, I've one of 2 options:
- log(inhibitor) vs. normalized response
- log(inhibitor) vs. normalized response -- variable slope
When I use the first one, the R2 is usually low (