I'm a newbie to STATA and am trying to estimate a parameter using the 'nl' command. Here is the syntax:
. nl (c1 = (c2^{a}-c2^{a}*y1^{a}/x1^{a}+y1^{a})^(1/{a}))
The dataset has c1,c2,x1 & y1 given and I want to estimate a. However, I am getting the following error: "starting values...