:exclamation: This is a read-only mirror of the CRAN R package repository. gsynth — Generalized Synthetic Control Method. Homepage: https://yiqingxu.org/packages/gsynth/gsynth_examples.html
License: Other
Authors: Yiqing Xu [[email protected]]; Licheng Liu [[email protected]]
How to Uses: Examples
Reference: Yiqing Xu. 2017. "Generalized Synthetic Control Method: Causal Inference with Interactive Fixed Effects Models." Political Analysis, Vol. 25, Iss. 1, January 2017, pp. 57-76.
In gsynth, when r is 0 (either by user selection or CV) I get the following error:
Error in `rownames<-`(`*tmp*`, value = iname[which(out$tr == 1)]) :
attempt to set 'rownames' on an object with no dimensions
The error comes from the following lines (800-803) in gsynth.R:
if (!is.null(out$alpha.tr)) {
rownames(out$alpha.tr) <- iname[which(out$tr == 1)]
colnames(out$alpha.tr) <- ""
}
To reproduce:
data(gsynth)
out <- gsynth(Y ~ D + X1 + X2, data = simdata, index = c("id","time"), force = "two-way", CV = FALSE, r = 0, se = TRUE, inference = "parametric", nboots = 1000, parallel = FALSE)
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