伙计们!我遇到了定义控件的问题。我有一个捐助国列表,但我不知道如何将其放入 R 中,以便它理解。我可以将它们列为“美国”、“俄罗斯”吗?我在这里有点迷路,不胜感激。
library(MSCMT)
data("project")
project <- listFromLong(project, unit.variable="country.index", time.variable="year", unit.names.variable="country.name")
treatment.identifier <- "Belarus"
controls.identifier <- ???
times.dep <- cbind("rgdpna" = c(1991,2009))
times.pred <- cbind("csh_g" = c(1991,2009),
"csh_c" = c(1991,2009),
"csh_i" = c(1991,2009),
"csh_x" = c(1991,2009),
"csh_m" = c(1991,2009),
"rgdpna" = c(1991,2009),
"csh_prod" = c(1991,2009),
"csh_emp" = c(1991,2009)
agg.fns <- rep("mean", ncol(times.pred))
res <- mscmt(project, treatment.identifier, controls.identifier, times.dep, times.pred, agg.fns, seed=1)```