Hi Statalist,

I'm having trouble saving a margins dataset after running a non-parametric regression and I'm struggling to see where my mistake is.

After opening my dataset, my exact code is:

Code:
npregress kernel std_dev n if c5==1 & year==2018, vce(bootstrap, reps(100) seed(100))
margins, at(n=(1(1)32)), saving (marginsus)
Stata returns with:

Code:
invalid 'saving'
r(198);
How can I resolve this issue?