Estimates the DGP parameters used in the placebo studies in Sections 3 and 5 of the synthetic difference in differences paper. Described there in Section 3.1.1.

estimate_dgp(Y, assignment_vector, rank)

Arguments

Y,

an NxT matrix of outcomes

assignment_vector,

an Nx1 vector of treatment assignments

rank,

the rank of the estimated signal component L

Value

a list with elements F, M, Sigma, pi as described in Section 3.1.1 and an element ar_coef with the AR(2) model coefficients underlying the covariance Sigma