[R] Obtain gradient at multiple values for exponential decay model

[g l]

> Sent: Friday, April 06, 2018 at 1:44 PM
> From: "Jeff Newmiller" <jdnewmil using dcn.davis.ca.us>
>
> You did not try my suggestion. You tried David's, which has a leftover mistake from your guesses about what the argument to coef should be.

Yes, sorry for the mistake.

coef(graphmodeld)
   (Intercept) graphdata[, 1] 
   4.513544204   -0.006820623

This corresponds to the linear model but it is still not understood how this helps to determine gradients at specific points for the exponential model.