I want to use the user-created -sdid- command to use the synthetic difference-in-differences approach.
However, when I run the example code described here , I get the following error: "last estimates not found
r(301);".
To be clear, the relevant code is
...and I get the following error message: 
Any help would be much appreciated!
However, when I run the example code described here , I get the following error: "last estimates not found
r(301);".
To be clear, the relevant code is
Code:
* load data
webuse set www.damianclarke.net/stata/
webuse prop99_example.dta, clear
*run sdid
eststo sdid_1: sdid packspercapita state year treated, vce(placebo) seed(2022)
eststo sdid_2: sdid packspercapita state year treated, vce(placebo) seed(2022) covariates(r, projected)
*create a table
esttab sdid_1 sdid_2, starlevel ("*" 0.10 "**" 0.05 "***" 0.01) b(%-9.3f) se(%-9.3f)
Any help would be much appreciated!

Comment